72 FREE DIY Greenhouse Plans To Build Right Now (2024)

Table of Contents
DIY Greenhouse Plans to Build Easily 1. DIY Greenhouse Made Of Plastic Bottles 2. Learn How To Make A Simple DIY Greenhouse 3. Large DIY Hoop Style Greenhouse 4. $ 50 DIY Hoop Style Greenhouse 5. Create This Incredibly Cool Geo Dome Greenhouse For Your Backyard 6. Learn how to build a mini greenhouse using upcycled storm windows 7. Build A Sophisticated Greenhouse For Your Lawn 8. Simple DIY Bamboo Greenhouse 9. Learn How To Create A Durable and Functional Greenhouse 10. Build A DIY Greenhouse Using Upcycled Windows 11. Learn How To Build An Amazing Barn-Style Greenhouse 12. Make An Instant Cloche To Protect Your Seedlings 13. Greenhouse Made Of Upcycled CD Cases 14. Learn How To Build A Gabled Roof DIY Greenhouse 15. Easy DIY Fold-Down Greenhouse 16. Build this beautiful cedar greenhouse for your plants 17. greenhouse made using UP-CYCLED materials 18. Incredibly Simple DIY Mini Hothouse 19. Learn How To Make A DIY Greenhouse Using A Trampoline 20. Easy DIY bottle greenhouses for your seedlings 21. The UnBrella – A Simple and Portable Greenhouse Project 22. Learn How To Build This Beautiful Octagonal Greenhouse 23. Easy DIY Greenhouse for Seeds 24. Learn How To Make This Incredibly Cool Automated Greenhouse 25. Easy to make Countertop greenhouse 26. Build an Upcycled Geodesic Dome For Less Than $ 20 27. Beautiful Backyard Greenhouse Made From Reclaimed Windows 28. Learn how to build a modular greenhouse 29. Amazing Greenhouse Made From Upcycled Glass Jars 30. Greenhouse of the Future - The iGreenhouse 31. Simple Greenhouse Made Using Reclaimed Windows 32. Easy and Inexpensive DIY Greenhouse project for your tomato plants 33. Learn How To Build A Simple Portable Greenhouse In A Few Hours 34. The Greenhouse with an automatic solar powered watering system 35. The High-End Greenhouse Made Using Only Recycled Materials 36. Amazing Indoor Greenhouse With Touchscreen Controls 37. Incredibly Easy DIY Greenhouse In A Jar 38. Learn How To Build The SerreMatic, An Automated Greenhouse 39. A Highly Detailed DIY Greenhouse Project 40. Incredibly Easy DIY Greenhouse Made From Coffee Stirrers 41. Build A Greenhouse On Your Rooftop 42. Learn How To Make This Easy DIY Portable Can Greenhouse 43. A Beautiful DIY Greenhouse Made Using Repurposed Windows 44. Learn How To Build This Unique DIY Greenhouse With A Removable Top 45. Build This Amazing DIY Fold-Up Greenhouse For Your Plants 46. Simple But Lovely DIY Greenhouse Made From Repurposed Windows 47. Learn How To Create An Amazing DIY Barn Greenhouse 48. Build This Lovely DIY Greenhouse For Your Seedlings 49. DIY Greenhouse Project By YellaWood 50. The Simple DIY Greenhouse By Black + Decker 51. Build A Greenhouse Extension 52. Learn How To Build An Insulated, Raised-Bed Greenhouse 53. Create A Medium-Sized Greenhouse For Less Than $ 25 54. Make An Inexpensive Greenhouse With A Plastic Fruit Basket 55. Learn how to build this tiny windowsill greenhouse using upcycled materials 56. Thumbelina – An Automated DIY Indoor Greenhouse 57. Learn How To Build This Simple DIY Cold Frame Using An Old Window 58. Build A Small Greenhouse For Plantations On Euro Pallets 59. A Sophisticated DIY Greenhouse With Solar Powered Ventilation 60. Convert A Swamp Cooler Into A Hydroponic Rooftop Greenhouse 61. Learn How To Build A Poly Pipe Greenhouse And Shade House With Sprinkler System 62. Make A Greenhouse Using Stretch Film 63. Monitor Your Greenhouse Over The Internet 64. A Work Of Art – The Beautiful DIY Greenhouse 65. Make A Robust Greenhouse Which Can Withstand Extreme Weather Conditions 66. A Simple, Slim DIY Greenhouse For Your Backyard 67. Lovely Verandah Style Greenhouse Made From Recycled Materials 68. Upcycle Your Egg Cartons To Make A Greenhouse For Your Seeds 69. Make An Indoor Greenhouse For Your Seedlings Which Is Cat-Proof 70. Learn How To Build A Greenhouse Using Wooden Crates 71. A Compact Greenhouse Made Using Reclaimed Windows 72. A Greenhouse Which Is Also A Clubhouse And Yoga Hut FAQs References

Now, extreme climatic conditions can destroy the growth of your fruits and veggies. And to get the best out of them, you need a controlled environment. And that is exactly where greenhouses step in.

In this article, we will talk about 72 unique DIY greenhouse plans which will help make the most out of your homegrown crops. So, read along to find out which greenhouse suits your needs the best.

If you`ve found the greenhouse plans below interesting we invite you to check various other free woodworking plans, we have curated lists that will show you how to build a a pallet fence,porch swing,fire pit,garage,cat tower, a rocket stove,tiny house,duck house,deer stand,bat house,diy tree house,cat tower,porch swing,small cabin,farmhouse table,pole barn, rabbit hutch,diy dog bed,a playhouse, achicken coop,a coffee tableor agazebo.

DIY Greenhouse Plans to Build Easily

1. DIY Greenhouse Made Of Plastic Bottles

You have seen many weird and amusing things on the Internet, but we bet you are flabbergasted by this incredible greenhouse made of plastic bottles. Using plastic bottles which are harmful to the environment, to build something environment-friendly is kind of ironic, isn’t it?

The trick to building this greenhouse is to construct the frames first. Once you are done with a frame for a single wall, cut off the bottoms of your plastic bottles and stack them on top of each other using a garden cane as support. Make sure you remove any labels and wash all the bottles before you stack them.

If you are interested in learning more about this wonderful DIY project, then follow the link mentioned below the illustration.

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More details atgoodshomedesign.com

2. Learn How To Make A Simple DIY Greenhouse

If the last DIY greenhouse project did not appeal to your tastes, then this simple DIY greenhouse might just do the trick. Moreover, we believe that gathering the supplies for this project will be easier than acquiring 1500 plastic bottles. However, the downside to building this greenhouse is that you need to have some familiarity with woodworking techniques.

All the materials required for this DIY project along with the detailed step-by-step instructions are mentioned in the link below the image. And we suggest you click on it if you are interested in learning more.

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More details attomsgardens.wordpress.com

3. Large DIY Hoop Style Greenhouse

If you are looking to build a large greenhouse but do not want to spend thousands of dollars on it, then you surely need to check out this amazing DIY project. This greenhouse plan is specifically for a 12’x32’ hoop-style greenhouse. However, you can make some alterations to suit your needs.

To get started with this project, you will require (4) 2x6 – 16’, (2) 2×6 – 12’, and (14) 2×4 – 12’ green, treated wood pieces. In addition to that, you will also require (19) ¾” x 20’ white PVC pipe, (9) 10mm x 10’ rebar, (1) 20’x50’ roll of 6mm plastic, (1) Bundle of 50 4’ wood lathe, zip ties, nails or screws, metal banding, and finally, door hinges and handles. All the materials required for this project cost a shade under $ 400, and that is impressive for the size.

The creator of this project has gone into great depths to explain it, so we suggest you click on the link mentioned below the illustration to learn more.

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More details atalbertahomegardening.com

4. $ 50 DIY Hoop Style Greenhouse

Now, we understand that the last hoop style greenhouse project might be a little too large for most people. And if that is the case for you, then this greenhouse might just be perfect for your needs. Moreover, this DIY greenhouse project only costs $ 50 to build! Yes, that’s right!

The materials required for this project are similar to the last one, albeit more streamlined. If you are interested in learning more about the materials list and instructions for this project, then follow the link mentioned below the illustration.

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5. Create This Incredibly Cool Geo Dome Greenhouse For Your Backyard

Take a look at this Geo Dome Greenhouse. Not only does it look incredibly cool, but it is also quite simple to create, as long as you are comfortable with some basic woodworking techniques.

To get started with this project, you will require untreated spruce lumber or Douglas Fir, screws, greenhouse plastic, hinges for the door and windows, and automatic window openers. In addition to that, you will also require measuring tape, pencil, level, utility knife, safety glasses, and hearing protection, drill, and last but not least, a radial arm saw, or dual bevel miter saw.

If you believe you can take on this DIY challenge, then we suggest you follow the link mentioned below the illustration to learn more.

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More details atnorthernhomestead.com

6. Learn how to build a mini greenhouse using upcycled storm windows

If the previous greenhouse designs were too utilitarian for your taste, then this will surely pique your interest. Not only is incredibly easy to build, but it looks really cute, doesn’t it? Moreover, this project is only made of upcycled materials. In other words, it costs absolutely nothing!

For this incredibly cute DIY greenhouse, you will require three storm windows of the same size, scrap lumber and other materials like hinges, nails, and screws.

If you love this DIY idea, then we suggest you click on the link below the illustration to learn more.

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7. Build A Sophisticated Greenhouse For Your Lawn

While this might be a DIY greenhouse project, it is one of the more complex ones featured on this list. In fact, to build this sophisticated greenhouse, you need to have some prowess in woodworking techniques. In case you are already comfortable with woodworking, then creating this DIY greenhouse will be a breeze.

For the outer frame, you will require 330ft (100 meters) of 1 1/2"x 3 1/2" (90 mm x 45 mm) treated, or natural decay-resistant wood for the frame, 10ft (3 meters) 3/4"x 7 1/2" (190 mm x 19 mm) treated board for the fascia and, 36ft (11 meters) of 4" x 4” (100 mm x 100 mm) treated wood for the base (sawn wood will also work). In addition to that, you will also require a sheet of 4ft x 8ft x 3/8" (1200 mm x 2400 mm x 10 mm) treated plywood for the gussets, 350sq ft (30sq m) ultra-violet-resistant polythene for the covering and miscellaneous items like nails, galvanized plates, strapping, hinges, and so forth.

The creator of this project has gone into great depths in explaining it, and we suggest you click on the link mentioned below the illustration to learn more.

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More details atbuildeazy.com

8. Simple DIY Bamboo Greenhouse

Although the last project might have been for everyone, we believe that anyone can build this simple bamboo greenhouse. Moreover, the materials required for this project are not only simple but also quite inexpensive.

To get started with this wonderful DIY project, you will require bamboo poles measuring 2 ½ inches or 5 inches around and of varying lengths, a roll of heavy grade clear plastic sheeting, cement, stakes and twine, and heavy-duty Velcro strips. In addition to that, you will also need post digger, hacksaw, drill with a 0.5-inch drill bit, 0.5-inch nuts and bolts, and last but not least, a staple gun.

If you love this DIY idea, then follow the link mentioned below the illustration to learn more.

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More details atpremeditatedleftovers.com

9. Learn How To Create A Durable and Functional Greenhouse

If you are up for a challenging DIY greenhouse, then this just might be it. Needless to say, this DIY project requires some familiarity with basic woodworking techniques, and it is certainly not for a beginner. However, if you manage to bring this idea to fruition, it will not only be durable enough to stand the test of time, but it will be quite functional as well.

For this DIY greenhouse project, you will require two 16’ pieces of 4” x 4” lumber, two 10’ pieces of 4” x 4” lumber, four 16’ pieces of 2” x 4” lumber, four 10’ pieces of 2” x 4” lumber, 46 8’ pieces of 2” x 4” lumber, one 16’ piece of 2” x 6” lumber, and three 8’ pieces of 2” x2” lumber. In addition to that, you will also require 500 pieces of 2 ½ inch screws, film, vent opener, thermostat outlet, and finally, hinges and latch.

If you believe that this DIY greenhouse project is right up your alley, then click on the link mentioned below the illustration to learn more.

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More details athowtospecialist.com

10. Build A DIY Greenhouse Using Upcycled Windows

While the DIY greenhouse made using storm windows might have been too small for your liking, this incredible greenhouse project can accommodate a lot more. Moreover, it is entirely made using upcycled materials.

To get started with this amazing DIY project, you will need multiple pairs of old windows (no need to collect windows of the same size), 2” x 4” lumbers for the studs, 4” x 4” lumbers for the corner posts, coated deck screws, and other miscellaneous items.

If you are interested in learning more about this wonderful DIY project, then follow the link mentioned below the illustration.

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More details atinstructables.com

11. Learn How To Build An Amazing Barn-Style Greenhouse

Take a look at this Barn Greenhouse. It looks amazing, doesn’t it? However, we must say that this is not a simple DIY project by any means. In fact, it is one of the toughest projects featured till now. You will not only need to be proficient in woodworking techniques but also require great perseverance to execute this greenhouse idea. Moreover, the materials required for this project will be more expensive than the ones featured earlier.

If you are interested in learning more about this sophisticated barn greenhouse, then click on the link mentioned below the illustration.

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More details atana-white.com

12. Make An Instant Cloche To Protect Your Seedlings

If you are looking for an incredibly easy but functional greenhouse idea and do not care much for aesthetics, then you surely need to check out this simple greenhouse project. Moreover, this DIY greenhouse is extremely light on the wallet. In fact, you can complete the entire project using only upcycled materials.

To get started with this DIY project, you will require six small curved branches from a conifer tree, a clear plastic sheeting, a long straight piece of lumber, and a sharp cutting tool. That’s all!

If you think that this DIY idea is well-suited to your needs, then follow the link mentioned below the illustration to learn more.

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More details atlearn.eartheasy.com

13. Greenhouse Made Of Upcycled CD Cases

Take a look at this whimsical greenhouse made of CD cases. It looks really cute, doesn’t it? However, due to its tiny size, this greenhouse is not meant for all. Then again, if you love the idea, you can make multiple greenhouses instead of just one.

To get started with this project, you will need old CD cases (40 to make a greenhouse with dimensions 11-inch x 18-inch x 20-inch), plastic glue (make sure it dries clear), painter’s tape, safety glasses, and a pair of tweezers. In addition to that, you will also require a craft knife, ruler, cutting board and a large flat surface.

If you are interested in learning more about this wonderful DIY project, then click on the link mentioned below the illustration.

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More details atsoyouthinkyourecrafty.com

14. Learn How To Build A Gabled Roof DIY Greenhouse

Now that you had your dose of simple and easy DIY projects, let us move on to something a bit more complex. Needless to say, you need to have some prowess in woodworking techniques to bring this DIY idea to fruition.

To get started with the base, you will require six 4-inch x 4-inch x 8 feet treated wood posts, two 15/32-inch x 4 feet x 8 feet plywood sheathing (you can also go for a thicker plywood), and 1lb of 3-inch galvanized decking screws. For the walls, you will need 22 – 2-inch x 4-inch x 8-inch treated framing lumber, 3lbs of 3.5-inch exterior decking screws. You will also need two 2-inch x 4-inch x 2 feet boards, one 2-inch x 4-inch x 8 feet board, nine 2-inch x 4-inch x 51-inch piece of lumber and 1lb of 2-inch decking screws for the roof.

The rest of the materials required for the floor, siding, and shelves, along with the detailed step-by-step instructions are mentioned in the link below the illustration, and we suggest you click on it if you love this DIY greenhouse idea.

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More details atideadonnafarm.wordpress.com

15. Easy DIY Fold-Down Greenhouse

Take a look at this Fold-Down DIY Greenhouse. It looks lovely, doesn’t it? Moreover, this is extremely simple to build, and if you follow the instructions properly, it should not take you more than a day or two to complete it. And if you already have pre-cut pipes, you can finish it in just two hours!

For this cool DIY greenhouse idea, you will require eight 1-inch x 10 feet PVC pipes, eight 1-inch elbow fittings, two 1-inch tee fittings, four 1.25-inch tee fittings, two 0.75-inch x 5 feet metal conduits, and a box of eight 0.75-inch lath washer head screws. In addition to that, you will also need two 0.25-inch x 3-inch bolts, 25 feet x 12 feet x 4 mm plastic sheeting, three 3 feet long coated light-duty utility chain, three spring links, and some other items.

If you love this wonderful DIY greenhouse idea, then we suggest you click on the link mentioned below the illustration for the detailed step-by-step instructions and the full materials list.

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More details atgoodshomedesign.com

16. Build this beautiful cedar greenhouse for your plants

Who said that greenhouses could not be pretty? Just take a look at this amazing cedar greenhouse! Not only does it look really beautiful, but it is also quite functional. In fact, the angle wall windows which are made of a high-performance thermoplastic transmits up to 90% of visible light. It also filters out the harmful ultraviolet light.

This specific DIY greenhouse project can be built using a kit, and that makes things even more convenient. Needless to say, you might be able to salvage materials for a lesser cost if you are willing to put in that extra work.

If you are interested in learning more about this wonderful DIY project, then we suggest you follow the link mentioned below the illustration.

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More details atbackyardcity.com

17. greenhouse made using UP-CYCLED materials

Just take a look at this amazing greenhouse project. It looks quite grand, doesn’t it? Surprisingly, this lovely project was made using free recuperated windows. In fact, the creator used 24 French windows of various ages and designs for this greenhouse.

This entire project only cost the 50 euros ($ 59) to build. However, the owner states that since he already had access to some of the materials required for this project, he did not have much to spend on other than some wooden supports, metal stakes, guttering, leaded lights, and the horticulture grade polyethylene for the roof. A more realistic budget for this project should be in the $ 100 to $ 150 ballpark range.

If you are interested in learning more about this amazing greenhouse idea, then follow the link mentioned below the illustration.

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More details atthegreenlever.blogspot.in

18. Incredibly Simple DIY Mini Hothouse

Not everyone requires a humongous greenhouse for their plants. Sometimes, a tiny greenhouse project such as this one will do a great job for a few seedlings or a small plant. Moreover, it is incredibly simple to make and will have almost no effect on your wallet.

To get started with this DIY greenhouse project, you will require cage wire (even chicken mesh wire will do), and plastic wrap. A lot of plastic wraps!

If you love this wonderful DIY greenhouse idea, then we suggest you click on the link mentioned below the illustration to learn more.

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19. Learn How To Make A DIY Greenhouse Using A Trampoline

Take a look at this amazing greenhouse made out of a trampoline! Yes, a trampoline! Not only is it one of the simpler DIY greenhouse projects featured here, but it is also very inexpensive. In fact, the total cost of the materials required for this project only amounts to a shade under $ 100. That is quite impressive, isn’t it?

For this amazing DIY greenhouse project, you will require a trampoline frame, piping, wood, thermometers, red tape, plastic, and screws. That’s all!

If you are interested in learning more about this incredible DIY idea, then follow the link mentioned below the illustration.

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More details athowdoesshe.com

20. Easy DIY bottle greenhouses for your seedlings

If you thought that the mini hothouse project was the simplest, then take a look at these DIY bottle greenhouses. Not only is it easy to make, but it truly costs nothing. Sure, this greenhouse project is not meant for every kind of plant. In fact, it can only support seedlings. However, it is surprisingly effective at increasing the temperature by about 10+ degrees Fahrenheit. And that is a great way to give warm season plants such as tomatoes, peppers, eggplants a significant head start.

Needless to say, the only materials required for this project are clear plastic bottles and a cutting tool. That’s all!

Although this project is pretty self-explanatory, we suggest you click on the link mentioned below the illustration to thank the creator of this wonderful DIY greenhouse project.

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More details atapieceofrainbow.com

21. The UnBrella – A Simple and Portable Greenhouse Project

Take a look at this ingenious greenhouse project. Not only is it one of the simplest projects featured on this list, but it is also one of the most inexpensive. However, its simplicity is not the best part about it; that honor would have to go to its portability. Yes, this greenhouse is portable, and it features a sprinkler system! If that is not impressive, then we do not know what is.

To get started with this project, you will require a clear plastic umbrella, 6 ft - 3/8" clear plastic tubing, bubble level, garden hose adapter, and a 3/8" tubing to garden hose adapter. In addition to that, you will also need a 3/8" tubing T-adapter, 12 zip ties, and finally, a roll of plumber’s tape.

If you are interested in learning more about this wonderful greenhouse project, then we suggest you follow the link mentioned below the illustration.

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More details atinstructables.com

22. Learn How To Build This Beautiful Octagonal Greenhouse

If you are tired of boring greenhouse designs, then you surely need to check out this amazing Octagonal Greenhouse. However, we must confess that this is not a simple project by any means. In fact, you need to be handy with woodworking tools to bring this greenhouse idea to fruition.

All the materials required for this greenhouse project along with the detailed step-by-step instructions are mentioned in the link below the illustration. And we suggest you click on it if you believe you can take on this DIY idea.

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More details atinstructables.com

23. Easy DIY Greenhouse for Seeds

Although this tiny greenhouse is not meant for plants, it can make a substantial difference for your seeds. And, if that is what you are looking for, then you surely need to check out this DIY greenhouse project.

For this DIY idea, you will require cardboard or wood (the creator used cardboard cut by lasers), plastic for the windows, glue, and a cutting tool. In addition to that, you can use your favorite color of paint to make the greenhouse more attractive.

If you are interested in learning more about this simple greenhouse idea, then click on the link mentioned below the illustration.

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More details atinstructables.com

24. Learn How To Make This Incredibly Cool Automated Greenhouse

If you are a tech-savvy person with a coding background, then this amazing Automated Greenhouse will definitely appeal to you. This greenhouse has multiple sensors to measure external temperature, ambient temperature, luminosity, and even the soil moisture! Moreover, the different components react according to the sensor readings to make this fully automatic. That is impressive to say the least!

If you are worried about coding this project from the ground up, then we must tell you that the creators of this project have been kind enough to provide all the code required for it. Moreover, they have listed all the materials required for this greenhouse. So, we suggest you click on the link mentioned below the illustration to learn everything you need to know about this brilliant DIY greenhouse idea.

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More details atinstructables.com

25. Easy to make Countertop greenhouse

We understand that the last project might have been for everyone, so we have followed it up with a simple countertop greenhouse that you can easily make with some basic woodworking knowledge. Needless to say, this tiny greenhouse is only meant for a small plant. However, you can make a few of these to accommodate multiple plants.

The creator of this project has done an excellent job in explaining it in great detail. And, we suggest you click on the link mentioned below the illustration to learn more. You will also find the full list of materials required for this greenhouse idea in the link.

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More details atinstructables.com

26. Build an Upcycled Geodesic Dome For Less Than $ 20

Geodesic domes are always cool but what is even cooler is a geodesic dome made entirely using recycled materials. In fact, this greenhouse cost less than $ 20 to build! That is impressive to say the least!

If you love this DIY greenhouse idea, then we suggest you click on the link mentioned below the illustration to learn more. All the materials required for this project along with the detailed step-by-step instructions are mentioned there.

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More details atinstructables.com

27. Beautiful Backyard Greenhouse Made From Reclaimed Windows

Take a look at this backyard greenhouse made from reclaimed windows. It looks amazing, doesn’t it? The trickiest part of this project is acquiring windows of the correct size. However, in case you are not after reclaimed windows, then that should not be a problem at all. On the other hand, if you are adept at woodworking, then you can also modify the structure to fit windows of different size.

The creator of this project has done an excellent job in explaining it in great detail, and we suggest you click on the link mentioned below the illustration to learn more.
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More details atinstructables.com

28. Learn how to build a modular greenhouse

Have you ever seen a modular greenhouse before? Well, feast your eyes on the ingenious Casa Verde Greenhouse Project! The best part of this project is the simplicity and it does not require any woodworking or complex coding skills.

To get started with this amazing greenhouse idea, you will need sheets of 2.5 mm Polystyrene (or any similar transparent plastic material like PVC, HDPE, and PMMA), 1 mm PVC sheet, 24 cm cable ties, and 58 cm (A + 2 cm) wooden poles. In addition to that, you will also require a cutter, hole punch, hand drill, ruler, protractor, and a pencil. All of the materials are easily available and quite inexpensive too.

If you are interested in learning more about this amazing DIY greenhouse project, then follow the link mentioned below the illustration.

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More details atinstructables.com

29. Amazing Greenhouse Made From Upcycled Glass Jars

If you love upcycling, then you will surely appreciate this wonderful greenhouse idea made entirely out of glass jars and fence posts. Although this project is quite simple, acquiring hundreds of glass jars will be a tough task. But, it is nothing quite as complicated as building an automated greenhouse.

The creator of this project has gone into great depths to explain it, so we suggest you click on the link mentioned below the illustration to learn more about this fascinating greenhouse idea.

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More details atinstructables.com

30. Greenhouse of the Future - The iGreenhouse

Here is another incredible DIY greenhouse project for coding geeks. However, if you are someone with basic computer knowledge, we believe you can execute this idea as the creator has done an excellent job in providing all the necessary instructions and code.

To get started with this DIY idea, you will require servo motors, push buttons, Raspberry Pi 3 Model B, a moisture sensor, temperature sensor, breadboard, universal power supply, transistors, resistors, MCP3008, LED, wires and ethernet cable. In addition to that, you will also require 5.2 V adapter, 8 GB Micro SD card, hinges, aluminum blind rivets, bright polystyrene plate, angle section, soldering tin, double-sided tape, pins, electrical heat shrink sleeve, cable ties and a box.

Finally, you will also need some tools like rivet pliers, multifunctional saw, drill diameter 1 mm, step drill 8 mm, tape measure, file, sandpaper, snap-off knife and last but not least, a soldering iron. Sure, the list of materials required for this project is one of the most complex featured here, but it is worth noting that all the items are easily available and will cost a shade under $ 200.

If you are interested in learning more about this amazing DIY greenhouse idea, then click on the link mentioned below the illustration.

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More details atinstructables.com

31. Simple Greenhouse Made Using Reclaimed Windows

This DIY greenhouse is a simple but lovely project for environmentalists. In fact, it is completely made of upcycled materials and can house a medium-sized plant. In case, you have the need to store more plants greenhouse; you can make an elongated version of this structure using more windows of the same size. However, be sure to reinforce the structure so that it does not get knocked over by heavy winds.

For this DIY greenhouse idea, you will require four large windows of the same size, some reclaimed wood, hinges, nails, and screws. If you want to populate your greenhouse with small plants, then you can also fit shelves inside it.

The creator of this project has done an excellent job in explaining it, so we suggest you click on the link mentioned below the illustration to learn more.

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More details atinstructables.com

32. Easy and Inexpensive DIY Greenhouse project for your tomato plants

If you are looking for a simple yet effective greenhouse construction for your tomato plants, then this idea might just be it. Not only is it light on the wallet, but it only takes a few minutes to complete a single greenhouse.

To get started with this DIY greenhouse idea, you will require a tomato pole, plastic foil, some 3D-printed parts or wooden parts of similar shape and size, plant pod, and last but not least, potted tomato plants.

You will find all the necessary details for this project in the link mentioned below the illustration. And we suggest you click on it if this greenhouse idea suits your needs.

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More details atinstructables.com

33. Learn How To Build A Simple Portable Greenhouse In A Few Hours

If you love simple, portable greenhouse ideas, then you surely need to check out this amazing DIY project. However, we must tell you that this project is not meant for every kind of plant. In fact, it is only meant to give your seeds a head start.

For this DIY greenhouse project, you will require a large wooden box, a similarly sized sturdy piece of glass to cover the box and two large wood screws. In addition to that, you will also need four rubber O-rings matched to the size of the screws, six small wood screws, and a small piece of wood which is sized to the thickness of the glass. In case you want a more convenient method to move your portable greenhouse, you can also add 4 rotatable wheels to the bottom. For doing that, you will require 8 additional wood screws.

If you are interested in learning more about this DIY greenhouse idea, then click on the link mentioned below the illustration.

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More details atinstructables.com

34. The Greenhouse with an automatic solar powered watering system

While the last few DIY greenhouse projects might have been quite simple, this one requires a fair amount of time and effort to bring to fruition. Before we proceed further, we must confess that this is not a greenhouse project from the ground up. Rather, it is a tutorial for building an automatic solar-powered greenhouse watering system.

To get started with this project, you will need a water butt, 12 V bilge pump, 12 V solenoid valve, 12 V programmable timer, 12 V solar panel, 12 V solar charge controller, and a 12 V battery. In addition to that, you will also require pipework, fittings, hose clips, and cable.

If you want to install an automatic solar powered greenhouse watering system for your greenhouse, then click on the link mentioned below the illustration to learn more.

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More details atinstructables.com

35. The High-End Greenhouse Made Using Only Recycled Materials

Take a look at this amazing greenhouse project. However, it is not the design which stands out the most. That honor would have to go to the fact that this greenhouse is entirely made of recycled materials! In fact, this greenhouse was constructed out of salvaged materials from a renovation site. Now that is impressive to say the least.

If you are interested in learning more about this wonderful greenhouse idea, then we suggest you follow the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (35)

More details atinstructables.com

36. Amazing Indoor Greenhouse With Touchscreen Controls

If you thought that the teched-out greenhouses featured earlier were cool, then wait till you check out this amazing Indoor Greenhouse with Touch Screen Controls. However, unlike the ones featured earlier, this is programmed for indoor use.

To get started with this amazing greenhouse idea, you will require a mini greenhouse (you can make one yourself or buy it online), Arduino mega, touchscreen (the creator used a 2.8-inch screen with the ili9341 chipset), NeoPixel strip, two 12 V motors, DHT22, two hygrometers, RTC, and a mesh heat pad from Adafruit. In addition to that, you will also need small PCB, four relays, two buck converters, two toggle switches, and 3 or 5 pole power distribution block.

However, that is not all; you will also need some extra items like 6 mm tubing, power barrel (male), water tray, housing case for greenhouse and touchscreen, mounting screws in M2 and M3 sizes and a power cable. Phew! That is a long list of materials! Then again, this is no ordinary greenhouse.

If you believe you can take on this epic DIY challenge, then click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (36)

More details atinstructables.com

37. Incredibly Easy DIY Greenhouse In A Jar

While the last greenhouse project was not meant for everyone, this one surely is. In fact, this is surely one of the simplest greenhouse projects featured here. Moreover, it costs practically nothing!

For this DIY greenhouse idea, you will require a large plastic jar, some rocks, and a nail or a drill. That’s all!

Although this greenhouse idea is pretty straightforward, we suggest you click on the link mentioned below the illustration to thank the creator.

72 FREE DIY Greenhouse Plans To Build Right Now (37)

More details atinstructables.com

38. Learn How To Build The SerreMatic, An Automated Greenhouse

There is nothing quite like building an automated greenhouse. Not only do you not have to worry about watering the plants ever again, but you can also program it to ensure that your plants automatically get enough light even on a dark and cloudy day.

Moreover, the moisture sensors combined with the irrigation system provide the plants with just enough water, and only when they require it. By doing so, you are saving a significant amount of water over an extended period.

If you are interested in learning more about this project, then click on the link mentioned below the illustration. You will find the detailed step-by-step instructions along with the full list of materials there.

72 FREE DIY Greenhouse Plans To Build Right Now (38)

More details atinstructables.com

39. A Highly Detailed DIY Greenhouse Project

Now, an automated greenhouse may not be for everyone, especially due to its tiny size. And if that is the case with you, then you should surely check out this spacious DIY greenhouse project. And the best part of this project is how detailed it is. In fact, the instructions do not just cover the construction of the greenhouse; it goes a step further by providing all the information you could need about the plants which are suitable for this greenhouse.

To get started with this project, you will need a multi-layer Co-Ex Polypropylene sheet, netted sheet, transparent sheet, mist sprinkler, 24 mist heads, aluminum extruded profile, and zig-zag wire. In addition to that, you will also require aluminum profiles for double spring locking, greenhouse film repair tape, 1.5 HP motor, A-shape stand, pots, hanging pots, fertilizers, large plastic 0.5-inch pipes, GI pipes, insecticides, and finally, a disc filter.

If you feel that this DIY greenhouse project is right up your alley, then follow the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (39)

More details atinstructables.com

40. Incredibly Easy DIY Greenhouse Made From Coffee Stirrers

If the last couple of projects was a bit too complicated for your taste, then you surely need to check out this simple DIY greenhouse project. In fact, it will hardly take you an hour to complete. Moreover, the materials required for this idea are among the simplest featured on this list.

For this DIY greenhouse idea, you will require 30 wooden coffee stirrers, two A4 size sheets of cling film, marker pen, ruler, PVA craft glue, a cutting tool and kitchen clips. That’s all!

If you love this DIY idea, then be sure to click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (40)

More details atinstructables.com

41. Build A Greenhouse On Your Rooftop

If you have a spacious, flat rooftop, then this DIY greenhouse project might just be perfect for you. The great thing about having a greenhouse on the rooftop is that it is likely to receive the maximum sunlight possible. Unless of course, you are surrounded by taller buildings on all sides.

To get started with this unique DIY greenhouse idea, you will require three 100-liter plastic boxes, 18 plastic pots, a 3m aluminum profile, five standards pieces of 2” x 4” wood, few thin strips of wood, and 14 small plastic containers. In addition to that, you will also need two 19-liter buckets, 6m x 6m UV coated greenhouse plastic, a small roll of annealed wire, three 120cm x 60 cm metal grids, vermiculite substrate and finally, hydroponic nutrients.

If you are interested in learning more about this wonderful DIY greenhouse project, then click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (41)

More details atinstructables.com

42. Learn How To Make This Easy DIY Portable Can Greenhouse

Just take a look at this DIY greenhouse project. Not only is it completely portable, but it is incredibly simple to make. In fact, you can complete building this greenhouse in just a few hours. Moreover, if you use recycled materials, then it will hardly affect your wallet!

For this DIY greenhouse idea, you will require a large plastic can (preferably something which lets in light), transparent or semi-transparent UV coated plastic sheet, and four screws with four nuts. In addition to that, you will also require four tiny pieces of plywood, a bike tire’s inner tube, duct tape, and a slat which is as long as the plastic can.

If you love this DIY greenhouse idea, then follow the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (42)

More details ainstructables.com

43. A Beautiful DIY Greenhouse Made Using Repurposed Windows

If you love DIY greenhouse projects made using repurposed windows, then you surely need to check out this lovely greenhouse. This is surely one of the most well-built greenhouses we have ever come across.

However, this is one of the more expensive projects featured on our list. In fact, the owner spent $ 1695 on materials and a shade over $ 2000 for labor costs. We believe that you can cut down on both these costs if you are planning on making the whole thing yourself. And, with a high level of upcycling, you can easily bring the total costs below $ 1000.

If you are interested in learning more about this wonderful DIY greenhouse project, then click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (43)

More details atourfairfieldhomeandgarden.com

44. Learn How To Build This Unique DIY Greenhouse With A Removable Top

Take a look at this unique DIY greenhouse project. The cool part of this greenhouse is that it features a hinged cover so that you can remove it when required. Moreover, it is quite simple to build, and it will hardly take you a day to complete.

To get started with this DIY greenhouse idea, you will require 2 x 6 pieces of redwood, 2 x 2 pieces for the cover frame, 2 x 4 pieces for corner bracing, wood screws, a 10 feet long 0.5-inch PVC pipe, pipe clamps, large weave wire mesh and chicken wire. In addition to that, you will also need zip ties, plastic sheeting, staples, two hinges, two eye hooks, and a 6 feet long chain cut into 3 feet pieces. As for the tools, you will need a miter saw, drill and a staple gun.

If you want the detailed step-by-step instructions for building this cool greenhouse, then click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (44)

More details atapartmenttherapy.com

45. Build This Amazing DIY Fold-Up Greenhouse For Your Plants

If you thought that the last DIY greenhouse project was cool, then wait till you check out this amazing Fold-Up Greenhouse. Yes, you read that right! This greenhouse can be folded up and stored inside when you do not need it, especially during a harsh winter.

For this amazing DIY greenhouse project, you will require quite a few materials, more so than a standard wooden frame greenhouse. Then again, this is quite a unique greenhouse, and we believe that it is well worth the extra effort.

If you are interested in learning more about this wonderful DIY greenhouse idea, then click on the link mentioned below the illustration. The creator has done an amazing job with providing a detailed list of materials along with all the necessary instructions for building this greenhouse.

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46. Simple But Lovely DIY Greenhouse Made From Repurposed Windows

You have already seen a few greenhouse projects made from repurposed windows. However, those were fairly large. Just take a look at this tiny greenhouse. It looks really cute, doesn’t it? Moreover, it is quite easy to build, and you can easily finish it during the weekend.

To get started with this beautiful DIY greenhouse project, you will need six wood-framed windows, 2x4 lumber for frame and table base, 4x4 lumber for table legs, 1x6 lumber for tabletop, self-tapping screws, and L brackets. In addition to that, you will also require sandpaper, carpenter’s wood glue, primer paint and wood stain, embellishments, and door hinges and handle.

Finally, you will also need some tools like a pocket hole system, electric drill, compound miter saw, and a carpenter square.

If you love this wonderful DIY project, then we suggest you follow the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (46)

More details atempressofdirt.net

47. Learn How To Create An Amazing DIY Barn Greenhouse

You have seen barn houses before. But have you ever seen a barn greenhouse? Just take a look at the illustration below. While it may not be stunning, it surely has a unique and pragmatic design.

However, the most impressive part of this project is its simplicity. In fact, according to the creator of this DIY barn greenhouse, you can complete this entire project within a day. Needless to say, you need to be proficient with woodworking tools and have all the materials ready to pull this off.

If you are interested in learning more about this amazing DIY barn greenhouse, then click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (47)

More details atmyoutdoorplans.com

48. Build This Lovely DIY Greenhouse For Your Seedlings

Take a look at the greenhouse featured in the illustration below. It looks rather lovely, doesn’t it? If you look closely, the roof slope with a golden knob can fold down so that you can access the interior without any hassle.

However, this tiny greenhouse is only meant for your seedlings or small plants. And if this is exactly what you require, then click on the link mentioned below the illustration to learn more. The creator has gone into great depths to explain this DIY project. So, we suggest you check it out.

72 FREE DIY Greenhouse Plans To Build Right Now (48)

More details atrunnerduck.com

49. DIY Greenhouse Project By YellaWood

If you have some experience with woodworking, then you must be familiar with the YellaWood brand. They are quite famous for their high-quality lumber. Now, you might be wondering why are we talking about a lumber brand in our greenhouse article. Well, YellaWood has been kind enough to provide a detailed plan for creating a sturdy and functional greenhouse. Needless to say, you can purchase your lumber from a different brand or use your existing stock.

To get started with this project, you will require 26 pieces of 2” x 4” x 8’ lumber, eight pieces of 1” x 4” x 8’ lumber, and a 2” x 4” x ¾” exterior treated plywood. In addition to that, you will also need 30” x 80” hot-dip galvanized or vinyl door, ten pieces of 4’ x 8’ fiberglass panels, two hinges, a ¾” metal fasteners with neoprene washers, and nails.

If you believe that this DIY greenhouse project fits your needs, then click on the link mentioned below the illustration to learn more.

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50. The Simple DIY Greenhouse By Black + Decker

If you always wanted to build a large greenhouse but could not do so because of the complexity, then you surely need to check out this wonderful Black + Decker DIY project. Not only does it look lovely, but you can also complete this project within a day.

For this lovely DIY greenhouse idea, you will require a 20’ x 50’ UV Coated roll of Polyethylene sheeting, 12 pieces of 24” No. 3 rebar, eight pieces of 8” timber screws, compactable or drainage gravel, excavation tools, reciprocating saw, and a large hammer. In addition to that, you will also need 3” deck screws, wire brads, brad nailer, scissors, utility knife, and last but not least, a tape measure.

Black + Decker has done an amazing job in explaining this DIY greenhouse project. And we suggest you check it out by clicking on the link mentioned below the illustration.

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51. Build A Greenhouse Extension

Take a look at this greenhouse extending from the rear end of the cabin. It looks absolutely lovely, doesn’t it? Now, is this DIY greenhouse project as complicated as it looks? Yes and no. Sure, you will not be able to pull it off without some basic woodworking knowledge.

However, the creator of this project has done an amazing job in explaining all the nitty-gritty surrounding it. And so, we believe you should not have much of a problem in executing this wonderful greenhouse idea.

If you are interested in learning more about this DIY greenhouse project, then we suggest you click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (51)

More details atrunnerduck.com

52. Learn How To Build An Insulated, Raised-Bed Greenhouse

Although this DIY raised bed greenhouse will never win an award for its aesthetics, it is utilitarian in every respect. When it comes to the difficulty of this project, it should be a piece of cake for those who have a basic understanding of woodworking.

To get started with this DIY greenhouse project, you will require three sheets of 2” x 4’ x 8’ hard insulated foam, six 4” x 4” x 8’ fence posts, two 2” x 6” x 10’ treated boards, two 2” x 4” x 10’ treated boards, eight 2” x 4” x 8’ treated boards, four 1” x 3” x 10’ treated boards, and 0.5” x 2’ x 2’ treated plywood.

In addition to that, you will also need four metal corner brackets for the door, two hinges, one 20’ x 24’ roll of 6 mm plastic, galvanized framing spikes, galvanized 1 5/8” screws, 4 yards of clay dirt, 2 yards of topsoil, and finally, 4 yards of gravel.

If you feel that this DIY greenhouse project fits your requirements, then follow the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (52)

More details atwayneofthewoods.com

53. Create A Medium-Sized Greenhouse For Less Than $ 25

If you are on a tight budget but still want to build a moderately large greenhouse, then you surely need to check out this wonderful DIY greenhouse idea. Not only is it incredibly simple to make, but this entire project only costs a shade over $ 20. That is impressive to say the least.

For this DIY greenhouse project, you will require four sections of 0.5” PVC pipe, four 0.5” corner elbow connectors with three ports, four 0.5” adapters with connectors, and primer and PVC cement. In addition to that, you will also need scissors, long zip ties, hacksaw, and finally, 6’ x 6’ plastic sheeting.

If you love this DIY greenhouse idea, then be sure to click on the link mentioned below the illustration to learn more about it.

72 FREE DIY Greenhouse Plans To Build Right Now (53)

More details atinstructables.com

54. Make An Inexpensive Greenhouse With A Plastic Fruit Basket

Not always do we have the requirement for a large greenhouse. Sometimes, a small greenhouse like the one featured in the illustration below is more than enough, especially if you are only planting seedlings. And, if this is exactly what you require, then you should surely check out this simple but effective greenhouse project.

To get started with this DIY greenhouse idea, you will require a plastic fruit basket, plastic film, duct tape, plier, and a sharp knife. That’s it! This is surely one of the simplest lists of materials featured here.

If you are interested in learning more about this easy DIY greenhouse project, then follow the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (54)

More details atinstructables.com

55. Learn how to build this tiny windowsill greenhouse using upcycled materials

If you thought that greenhouse projects could not get any simpler than the last one featured on our list, then wait till you check out this greenhouse idea. You can make this entire windowsill greenhouse using only upcycled materials. In other words, you will most likely not have to spend any money on this project. Moreover, you can complete this entire project within an hour.

For this simple DIY greenhouse project, you will require wooden skewers or twigs/sticks, a translucent bag or any kind of plastic sheeting, cutting tool, and glue or thread to tie everything together. Quite simple, right?

If this DIY greenhouse project appeals to your needs, then click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (55)

More details atinstructables.com

56. Thumbelina – An Automated DIY Indoor Greenhouse

Now, we have featured quite a few automated indoor greenhouses. However, the biggest drawback for each of those greenhouses is clearly the tiny size. Most of them can only house a single small plant or a handful of seedlings. Enter Thumbelina – the largest automated DIY greenhouse featured here.

However, we must say that this is one of the more complex projects featured on our list. And if you have not delved into the world of electronic circuits before, then we suggest you look at some of the other greenhouse ideas features here.

If you believe you can take on this amazing DIY challenge, then be sure to click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (56)

More details atinstructables.com

57. Learn How To Build This Simple DIY Cold Frame Using An Old Window

If you are looking for a small greenhouse for your seedlings which is aesthetically pleasing, then this might just be it. Not only does it look quite lovely, but it is also easy to build. In fact, you can complete this project within a few hours.

To get started with this DIY greenhouse project, you will require more pieces of 2” x 6” x 8’ cedar boards, two hinges, and two ¾” screws. This list of materials is to accommodate an old window with dimensions 32 ¼” x 30”.

As for the tools, you will require a miter saw, circular saw, Japanese dozuki saw, orbital sander or sandpaper, power drill, straight edge and pencil, clamps, tape measure, and last but not least, some safety equipment.

If this project fits your requirements, then go right ahead and click on the link mentioned below the illustration to learn more. Before we move on to the next item on our list, we must say that although this greenhouse is excellent as is, you can go a step further and make it more aesthetically pleasing by painting it.

72 FREE DIY Greenhouse Plans To Build Right Now (57)

More details atsavvygardening.com

58. Build A Small Greenhouse For Plantations On Euro Pallets

Take a look at this small greenhouse. It looks rather lovely, doesn’t it? Just like the last greenhouse idea, this is only meant for seedlings and small plants. And needless to say, this is one of the simpler builds featured on our list. In fact, you can easily complete this greenhouse over a weekend.

For this DIY greenhouse project, you will require two 32” pieces of wood, two 44” pieces of wood, four metallic angle brackets, one box of 4 x 30 mm (0.16” x 1.18”) screws, one 10 - 15 m long plastic tube, and plastic film.

If you are interested in learning more about this wonderful DIY greenhouse project, then we suggest you click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (58)

More details atinstructables.com

59. A Sophisticated DIY Greenhouse With Solar Powered Ventilation

If you are looking to build a large and sophisticated greenhouse, then you surely need to check out this amazing project. Not only does it look contemporary, but it also has a few cool tricks up its sleeve. In fact, it has a hydroponic system along with solar powered ventilation. What is more impressive is the fact that this entire project cost less than $ 600 to build!

To get started with this brilliant DIY greenhouse idea, you will require a greenhouse kit. This greenhouse was built using a 10’ x 12’ greenhouse kit from harbor freight. However, you can purchase a similar greenhouse kit which best suits your needs.

The creator of this project has provided a detailed list of materials along with an exceptional guide for building this greenhouse. And we suggest you click on the link mentioned below the illustration to learn more about this fantastic greenhouse project.

72 FREE DIY Greenhouse Plans To Build Right Now (59)

More details atinstructables.com

60. Convert A Swamp Cooler Into A Hydroponic Rooftop Greenhouse

We bet you have not seen a greenhouse project like this before! And thanks to some creative individuals, you can now build a rooftop greenhouse using a swamp cooler. Although the illustration featured below makes this greenhouse seem quite unassuming, let us assure you that it is quite sophisticated. Even more so than the last project featured on our list.

For this amazing DIY greenhouse project, you will require a swamp cooler (you can buy a used one for cheap), some vinyl tubing, a rack to hold the plants, wood, screws, and some clear plastic. In addition to that, you will also need hydroponic supplies (net pots, substrate, and nutrients), and various hand tools (wrench, screwdriver, and a drill).

You can also take this project a step further with high-tech elements like a data logger, control system, lights, fan, and a heater.

Now, this is not a simple project by any means and if you believe you can bring this greenhouse idea to fruition, then click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (60)

More details atinstructables.com

61. Learn How To Build A Poly Pipe Greenhouse And Shade House With Sprinkler System

If you are looking to build a simple but spacious greenhouse, then you surely need to check out this lovely DIY greenhouse project. The creator of this project has built it to serve two purposes. During an extreme summer, this structure can be converted to a shade house with a sprinkler system. And when the climate turns cold, it can be switched to a greenhouse. That makes it perfect for places with extreme weather conditions.

Since this is an article about greenhouses, we will only focus on that part. So, to get started with this DIY greenhouse idea, you will require ten 65” star pickets, 20 m of 2” green line rural grade poly, star picket post rammer, and 50 m roll of heavy duty builder’s plastic.

In case you are looking to install the sprinkler system, you will also need 30 m of 13 mm poly pipe, three pieces of 90° 13 mm corner connections, three pieces of ‘T’ 13 mm connections, and 20 full jet spray bits.

If you are interested in learning more about this excellent greenhouse project, then click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (61)

More details atinstructables.com

62. Make A Greenhouse Using Stretch Film

You do not always need to spend extra cash on UV coated polyethylene sheets. Instead, you can cover your greenhouse structure with stretch film. And yes, this also works for medium to large-sized greenhouses as well. In fact, for a moderately large greenhouse like the one featured in the illustration below you will be spending less than $ 20 worth of stretch film.

To get started with this project, you will need wooden slats, cling film, nails, and adhesive tape. As for the size of the slats, it will depend on the size of the greenhouse structure.

For more details regarding this DIY greenhouse project, we suggest you click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (62)

More details atinstructables.com

63. Monitor Your Greenhouse Over The Internet

We are complete suckers for smart greenhouses. And so, here is yet another automated greenhouse project. What is impressive about this particular smart greenhouse is the fact that it can be monitored and controlled over the internet. Yes, you read that right. You can keep an eye on your plants even while sitting on the other side of the world.

Sure, this greenhouse is tiny, and it will not make much difference whether you monitor it or not. But, think about the implications. You can scale this greenhouse to a larger size to house multiple plants. It will surely be useful then. Needless to say, you need to be proficient with electronics and DIY projects to execute it to perfection.

For this incredible DIY greenhouse idea, you will require an Intel Galileo Gen 2, Arduino Uno, thermoelectric cooling device, water pump, a 15 W LED for the heater, two pieces of 1 W LED, a 16 GB microSD card, LDR, Relay 4 Channel, and LCD 20 x 4 along with LCD i2c module. As for the sensors, you will need a DHT22 sensor and a soil moisture sensor.

In addition to that, you will also need an RTC module, fan, 10k resistor, IC 74HC125, water pump, breadboard, wires, IP camera, home router, LAN cable, greenhouse box, and last but not least, an Internet connection. Sure, this is surely one of the longest lists featured here. But, no other greenhouse is as teched-out as this one.

The creator of this project has done an amazing job in providing all the necessary instructions. And so, we suggest you click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (63)

More details atinstructables.com

64. A Work Of Art – The Beautiful DIY Greenhouse

Just take a look at the greenhouse featured in the illustration below. It is a thing of beauty, isn’t it? Moreover, this is a DIY project! Sure, you need to be adept at woodworking to bring this greenhouse idea to fruition. But the fact that you do not need to be a professional to build this structure is exciting nonetheless.

Before the creator of this project started working on this greenhouse, he explored the market to find out an approximate cost. And, would you believe it, all the estimates were north of $ 24,000. Sure enough, he decided against it and finished building this lovely greenhouse for less than $ 3,000. That is impressive to say the least.

If you love this DIY greenhouse idea, then click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (64)

More details atinstructables.com

65. Make A Robust Greenhouse Which Can Withstand Extreme Weather Conditions

If you live in a cold place, up North, you surely need to check out this amazing greenhouse idea. This greenhouse is built to withstand heavy snowfall! Yes, that’s right! The gable roof-esque design makes it possible for the snow to slide down easily. Moreover, the structure is quite sturdy to withstand extreme weather conditions.

To get started with this project, you will need twelve pieces of 12’ x 2” x 4” wood, 6 mm plastic sheeting, plywood, screws, tie-wraps, and ¾” 40 PVC tubing. In addition to that, you will also require a 2 feet rebar, five pieces of 45-degree ¾” PVC connections, four metal fence posts, and last but not least, four 2 by 4 end brackets.

If you are interested in learning more about this wonderful greenhouse project, then follow the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (65)

More details atinstructables.com

66. A Simple, Slim DIY Greenhouse For Your Backyard

If you are looking to build an easy, petite DIY greenhouse in your backyard, then this just might be it. This is an incredibly easy build and one that you can complete in a few hours.

For this simple DIY greenhouse project, you will need five pieces of ¾” x 10’ PVC pipes, eight pieces of ¾” elbows with a ½” to ¾” screw in slot, and eight ½” to ¾” connections. In addition to that, you will also require a roll of 3.5 mm clear plastic and last but not least, a roll of duct tape.

If you believe that this DIY greenhouse idea suits your requirements, then go right ahead and click on the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (66)

More details atinstructables.com

67. Lovely Verandah Style Greenhouse Made From Recycled Materials

Take a look at this verandah style greenhouse. It looks quite lovely, doesn’t it? Although this is not a simple DIY project, we believe that you can do it if you have some experience with woodworking.

This greenhouse is mainly constructed using recycled materials, like wood-framed double-glazed French windows, wood from crates, old ship timbers and so on. And that makes it all the more impressive.

If you love this beautiful DIY greenhouse idea, then we suggest you click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (67)

More details atthegreenlever.blogspot.com

68. Upcycle Your Egg Cartons To Make A Greenhouse For Your Seeds

If you are looking for a simple DIY greenhouse idea for your seeds, then this just might be it. Not only is it incredibly easy to make, but it will hardly cost you any money.

To get started with this DIY greenhouse project, you will require a clear plastic egg carton, a budget cardboard egg carton, potting soil, and a pair of scissors. That’s it!

If this greenhouse idea is perfect for your needs, then we suggest you click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (68)

More details atinstructables.com

69. Make An Indoor Greenhouse For Your Seedlings Which Is Cat-Proof

No matter how adorable cats are, their curiosity almost always results in something being broken. And that is why it is impossible to have a thriving indoor greenhouse and a cat living under the same roof. But, thanks to this ingenious solution, you can now make the impossible possible.

To get started with this simple DIY greenhouse idea, you will require a clean, empty 2-liter soda bottle without any labels, and knife and punching tool, a hammer, a small nail, fishing line, and a piece of cardboard.

If you are interested in learning more about this DIY greenhouse project, then follow the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (69)

More details atinstructables.com

70. Learn How To Build A Greenhouse Using Wooden Crates

We love greenhouses which are made of recycled materials, and this is yet another project which features a high level of recycled materials. However, this is not a simple DIY idea, and you need some expertise with woodworking tools to bring it to fruition.

As for the materials required for this DIY greenhouse and the instructions, we suggest you click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (70)

More details atinstructables.com

71. A Compact Greenhouse Made Using Reclaimed Windows

Just like automated greenhouses, we are complete suckers for DIY greenhouses made using reclaimed windows. So, here is one such wonderful DIY greenhouse project which is also quite simple to build.

The creator of this project has done an excellent job in providing all the necessary instructions for building it. And, we suggest you click on the link mentioned below the illustration to learn more.

72 FREE DIY Greenhouse Plans To Build Right Now (71)

More details atinstructables.com

72. A Greenhouse Which Is Also A Clubhouse And Yoga Hut

What better way to end our list than with this epic greenhouse project. Not only is it a functional greenhouse, but it also doubles up as a Yoga Hut and Clubhouse.

If you are interested in learning more about this lovely greenhouse project, then follow the link mentioned below the illustration.

72 FREE DIY Greenhouse Plans To Build Right Now (72)

More details atinstructables.com

So, which greenhouse idea did you like the best? If you are inspired to build your very own greenhouse, do share your story with us. We would love to hear from you.

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FAQs

What is the most inexpensive way to build a greenhouse? ›

One of the easiest and cheapest ways to build your own greenhouse is to use plastic sheeting, which is readily available at most hardware stores. Typically, you will want sheeting that is four or six mils thick. First, you will need to construct a frame to attach the plastic sheeting to.

Is it cheaper to build or buy a greenhouse? ›

If you purchase a standard greenhouse kit with no frills, it will likely cost less than it would to build a greenhouse from scratch. However, if you want a customized large greenhouse, it will be more cost effective to build it yourself.

What can I use instead of a greenhouse? ›

Cold Frames

These structures consist of a transparent top and solid sides, allowing sunlight to penetrate while protecting plants from harsh weather conditions. Cold frames are typically placed directly on the ground or raised beds, and they can be made from various materials such as wood, PVC, or recycled windows.

What is the easiest greenhouse to build? ›

The first common type of greenhouse is a cold frame. The smallest and simplest kind, these greenhouses are affixed onto the side of a house. They usually have a wooden structure about three feet tall with a hinged glass lid on top. If they have access to sunlight, an additional heat source isn't required.

How much does a 100 square foot greenhouse cost? ›

Greenhouse Cost per Square Foot
Size of Greenhouse per Square FootCost Range (Installed)Average Cost (Installed)
100 Square Feet$500 – $3,500$2,000
250 Square Feet$1,250 – $8,750$5,000
500 Square Feet$2,500 – $17,500$10,000
750 Square Feet$3,750 – $26,250$15,000
2 more rows

What temperature should a DIY greenhouse be? ›

Ideal Temperature For Greenhouses

Whether you are maintaining a healthy garden with a hydroponic system, or you are growing plants in soil, to successfully grow plants/crops you need to provide the right temperature for optimal growth. The most common greenhouse crops require a temperature range of 64-75 ºF.

Does a DIY greenhouse need ventilation? ›

Good ventilation is critical in maintaining an optimal growing environment and improves the overall efficiency of a greenhouse. It is essential for both good temperature and humidity management.

What is the most expensive part of a greenhouse? ›

The covering material of the greenhouse, also known as glazing, is usually the most expensive component of the structure. It is also one of the most important because the glazing is what allows the entry of light and heat into the greenhouse.

How can I heat my greenhouse for free? ›

The idea behind this method is that you place several large water barrels and containers (filled with water) in your greenhouse - if you have the room that is. Water acts as a 'thermal mass', holding twice as much heat as concrete.

Should a greenhouse be in full sun? ›

The best spot to place a greenhouse is the sunniest spot. It's important that the structure (and therefore the plants within it) receive at least six hours of winter sun exposure.

What grows best in a cold frame? ›

Spinach is one of the best such crops. It yields all winter in the cold frame. So does chard. Scallions are good, too—even better from the cold frame than from the outdoor garden.

What is the cheapest heat for a greenhouse? ›

Heating a greenhouse with gas is the least expensive option. The cost of heating a greenhouse with gas is the main advantage of gas heating and is the main reason people choose gas heating over other options. Beware of open flame heaters for greenhouse applications.

Are cheap greenhouses worth it? ›

The only real difference between the cheaper greenhouses and the more expensive ones is the material they're made out of, and the beauty of them. They all still capture sunlight and create a warmer, moister environment for the plants inside. The bonus of a larger, pricier greenhouse is better materials.

Can you build a greenhouse without a foundation? ›

Freestanding greenhouses can have a concrete slab poured without a deep foundation. In fact, if the greenhouse doesn't have a knee wall, it can be placed directly on a cement slab or it can be placed on a 4' x 6” treated lumber base. A wooden base can be anchored into the ground with three foot lengths of rebar.

How much does it cost to build a cheap greenhouse? ›

Average greenhouse costs in 2024
National average cost$11,000
Typical price range$2,000 – $25,000
Extreme low-end cost$1,000
Extreme high-end cost$30,000
Nov 29, 2023

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