Skip to Content

13 Cheap DIY Greenhouse Plans

Sharing is caring!

Are you ready to build a greenhouse? Whether you’re planning on going large or small, your project doesn’t have to break the bank. We’ve gathered up 13 greenhouse plans and tutorials that show you a variety of beautiful, inexpensive DIY greenhouses.

Greenhouses are great to have for so many reasons. They extend the growing season in cold climates and can allow you to grow varieties of plants you may not otherwise be able to grow in your area. They are perfect for starting seeds and can provide a nice, calming retreat right in your back yard.  

13 Cheap DIY greenhouse plans

1. The simple hoop greenhouse pictured below was built by PondPlantGirl on instructables and cost less than $25. All you need to make one like it is some PVC pipe with connectors, zip ties, and plastic sheeting. The full set of instructions is available here.

Cheap DIY greenhouse plans

PondPlantGirl | Instructables


2. For something a little larger and more elaborate, check out this greenhouse project by Kenton Knowles on Mother Earth News. This gorgeous greenhouse is nice enough that it could double as a guest house. The cost is higher, but a building like this would make a beautiful asset to most properties, and it could be built out of recycled materials to save money.

Greenhouse plans

Kenton Knowles


3. This cute little greenhouse was built out of recycled materials by Montana Wildlife Gardener. It is a part of a sustainable property landscaped entirely with native plants and vegetables. Check out their building process and all the wonderful uses for this greenhouse here.

DIY greenhouse plans

Montana Wildlife Gardener


4. The Door Garden provides a detailed set of instructions for how to build this nice 165 square foot hoop greenhouse – and it costs less than $1 per square foot at the time of this writing.

Free greenhouse plans

The Door Garden


5. This adorable mini greenhouse is made using recycled storm windows, so it cost nothing in materials!  It is the perfect size to fit on a porch or balcony for those with limited space.  See how to build one on Design Dreams by Anne.

Cheap DIY greenhouse

Design Dreams By Anne


6. This barn-style greenhouse by Ana White was built quickly and has tons of space inside. It is made to withstand harsh conditions and last for many years. She provides the full plans and excellent instructions here.

Cheap DIY greenhouse

Ana White


7. To protect tomatoes from rainy weather, Sow and Dipity built this small hoop greenhouse in about an hour for less than $50.  See the full tutorial on how to build your own here.

Cheap DIY greenhouse

Sow and Dipity


8. This 8 foot x 10 foot greenhouse from Build Eazy has plenty of floor space and height, with lots of room to add shelves.  It is easily customized, depending on your materials budget.  See the full set of plans here.

Free greenhouse plans



9. This simple but durable greenhouse by ThinMac acts as an extension off the house and has held up to years of use.  See the full process and updates here.

Cheap DIY greenhouse



10. This greenhouse is from How to Specialist – a very simple concept that can be scaled up or down, depending on your needs.  See the step-by-step instructions here.

Free greenhouse plans

How To Specialist

11. We are big fans of projects that use upcycled materials, so this mini greenhouse earned a place on this list. This little creation uses recycled CD cases for the walls and roof. While this idea might not be suitable for a large-scale greenhouse, it’s certainly clever and fun. This awesome tutorial can be found on So You Think You’re Crafty.

DIY mini greenhouse

Tauni Everett


12. This inexpensive DIY greenhouse consists of a simple wood frame covered in poly sheeting. It’s the ideal place to start seeds early in the spring. See a detailed set of instructions on Idea Donna Farm.

Cheap DIY greenhouse

Idea Donna Farm


13. Lastly, this beautiful geodome greenhouse from Northern Homestead is not quite as difficult to build as it looks.  They provide a detailed tutorial to follow and built it without a permanent foundation so it did not require permits and can be moved around the yard.

DIY greenhouse

Northern Homestead

Cheap DIY greenhouses

A Complete Guide To Growing Cucumbers In Containers - Off Grid World

Tuesday 21st of August 2018

[…] cucumbers should be ready to harvest through September. If a greenhouse is used, it will add another month to the growing season. Every time a cucumber is picked, […]

Greenhouse Plans Diy - Cake

Saturday 24th of March 2018

[…] 13 Cheap DIY Greenhouse Plans […]

Your path towards Food Freedom: Simple and cheap home gardening innovations -

Friday 20th of October 2017

[…] […]

Off Grid Living: The Ultimate List of Off Grid Resources

Saturday 16th of July 2016

[…] 13 Cheap DIY Greenhouse Plans […]

Happy Earth Day | Scribbles in the Margins

Wednesday 22nd of April 2015

[…] might also like to try your hand at Composting, Building a Greenhouse, Planting a Butterfly Garden, or Planting […]