21 DIY Greenhouses with Great Tutorials – A Piece of Rainbow

21 Amazing DIY Greenhouses with Great Tutorials

March 24, 2015 12 Comments

I can day-dream about them all day long … greenhouses and cold frames!

Far and wide I searched, to gather some of the BEST tutorials on how to build amazing DIY greenhouses from tiny to magnificent.

Every one of these is a labor of love. You will find ingenious ideas from passive heating elements of painted jugs, straw bale as building material that needs no tools, to using tree branches, old bottles, windows, and even a trampoline!

1. Cut Bottle Mini Greenhouses

The easiest 1-minute greenhouse, yet surprisingly effective. Check out the 3 secrets to success! ( A Piece Of Rainbow )

2. Cedar Branch Hoop House

LOVE this tutorial! The cedar hoop can last 30 years! If you have Cedar or other rot resistant trees where you live, they can be an attractive and all-natural alternative to PVC pipes. ( Greg | Earth Easy )

3. Straw Bale Cold Frame

So simple and so ingenious! Straw Bales hold the heat as walls that need no tools to construct, just add windows or plastic, and frame. I especially like the first design where the frame is sloped towards the south with tiers of growing space! ( High Mowing Seeds )

4. CD Case Greenhouse

CD cases open and close, how smart! Meg’s tutorial is filled with great details! ( Meg | Mega Crafty )

5. Simple Cold Frame

In Rob’s Northeast garden, plants such as lettuce, kale, broccoli, were able to survive the sub-zero weather in these cozy cold frames. And a fabulous free plan to download. ( Rob | Bepa’s Garden )

6. Cold Frame Along Masonry Wall

This one runs the length of a stone wall, facing south : ideal spot for a cold frame, as the stone (concrete works too) absorbs solar energy during the day and radiates it back out at night. ( Jacqueline | Deep Roots At Home )

7. Hardware Fencing Hoop House

Great idea to combine straw bale gardening with hoop house design! The livestock panels used here are a heavy gauge galvanized welded wire fencing material. The plastic cover can be removable to allow beans, gourds etc to grow in the summer! ( Dave’s Garden , and Peak Prosperity )

Remember the gourd tunnel here?

8. Super Easy Hoop House

Love the simple cross arch which is perfect for smaller raised beds like the 4′ by 6′ one here. Instead of pressure-treated lumber, consider using 2×12 redwood or cedar, which are non-toxic. ( QT’s Random Ramblings )

9. Hoop House Over Garden Bed

Two variations of PVC hoop houses over garden beds – first one has a great video showing how to secure the PVC onto rebar stakes, while in second one the PVC goes into the ground directly. ( Bonnie Plants , and Halle | Whole Lifestyle Nutrition)

10. Trampoline Hoop House with Passive Heating

A brilliant use of an old trampoline -no cutting of the steel required- just pull the frame pieces apart and there you have 2 halves of the frame.

I also LOVE the use of old jugs that have been spray painted black. They are filled with water. During the day the water heats up, and at the night, they radiate extra warmth inside of the greenhouse! ( Heather | How Does She )

11. Mini Box Greenhouse

Anne’s simple and beautiful greenhouse is made from old windows, and the box shape makes it easy to build!

( Design Dreams By Anne )

12. Portable Window Cold Frame

Old windows plus salvage 1″ x 12″ cedar equals …. awesome portable cold frames! ( For the Love of Lillian )

13. Retractable Hoop House

The smart design makes it easy to work on the garden beds! The hoop house is framed with o.5″ PVC pipe. They fit into 1″ diameter tees that glide over the aluminum pipe rails that are 3/4-inch-diameter. The garden beds are from 8-foot-long, 2-by-6-inch untreated fir.

( Harris | Grit )

14. Barn Greenhouse

Of course we aren’t leaving this one out! I could LIVE in this crazy cute greenhouse! Ana always has such great plans and instructions! ( Ana White )

15. 16. & 17. Salvaged Window Greenhouses

These 3 are bigger greenhouses for the ambitious! Each has great and unique ideas to learn from!

This one above is built by Andy at The Green Lever , a total of 24 windows and 16 pallets were used to build the greenhouse. It also harvests rainwater!

This one by Cheft at Instructables has built in vents, fan, etc. Comes with lots of detailed instructions.

This stunning blue green house from Fine Home Building shows us the magic that paints can do!

18. Pallet Greenhouse

Also by Andy at The Green Lever , who made the beautiful window greenhouse (#15). Having 2 greenhouses is 8 times more amazing!

19. Bottle Greenhouses

This pop-bottle greenhouse is built by students at Wilmington College Community Garden site in Ohio, The completed greenhouse has a 14×14’ “footprint” with old tires as the foundation and two rain barrels collecting water as a part of the north wall. ( Master Gardening Blog , also a great tutorial by IzzyM )

20. Straw Bale Greenhouse

This beautiful variation of our #3 Straw Bale Cold Frame, is built along the south wall of an existing shed. It’s 10 feet by 14 feet, made of clear corrugated roofing panels. Gotta love straw bale construction! ( Tracey | Simplify and Save )

21. Geo Dome Greenhouse

Awe inspiring, isn’t it ?!? Not only is a geo-dome a beautiful and elegant structure, it offers stability, modular construction, optimal light absorption, and being voted the coolest backyard in town! ( Jakob | Northern Homestead )

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