19 Easy DIY Mini Greenhouse Ideas | Creative Homemade Greenhouses

Sherin Woods is a California-based DIY enthusiast and garden design aficionado. With a background in Environmental Science, she combines creativity and sustainability in all her projects. A Pinterest favorite, Sherin is committed to eco-friendly solutions and has contributed to various home and garden publications. Her areas of expertise include DIY project planning, sustainable garden design, and content creation.
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Here are some easy-to-make Mini Greenhouse projects and ideas that you can try in your garden! These are also helpful for apartment dwellers!

If you are passionate about gardening and have a small space but want to have a greenhouse, this post is for you. With these Mini Greenhouse ideas, nothing will stop you from growing everything you wish during unfavorable conditions. These ideas are more useful for those who are city dwellers and have a limited space garden.

Check out our article on DIY garden cloche ideas here!

Easy Mini Greenhouse Ideas

1. CD Case Greenhouse

Mini Greenhouse

Do you love to recycle? Learn how to make this versatile and good-looking greenhouse from old CD cases. It is easy to make!

2. Umbrella Greenhouse


Just follow the simple tutorial to protect your plants from the exploitation of weather and save them from pests and diseases. Learn how to do it here.

3. Turn Window into Greenhouse

Mini Greenhouse 2

Instead of spending the winter gazing through glass panes at frozen flower beds, transform your window into a mini-greenhouse! Here are all the details.

4. Plastic Bottle Greenhouse

bottle greenhouse

This mini greenhouse is economical and simple to make and the best way to recycle plastic bottles.

5. Pallet Greenhouse

Mini Greenhouse 3

If you own a patio or a rooftop garden, you can try this. This simple greenhouse is adaptable to small spaces and only requires pallets. See how to make it here.

6. Recycled Container Greenhouse

container greenhouse

What can be a better way to reuse these handy little containers than to make a mini greenhouse! Here are all the details.

7. CD Spindle Case Greenhouse

Mini Greenhouse 4

One of the most straightforward techniques of creating a mini-greenhouse for your plants, something that anybody can make. Read more on this here.

8. Hothouse from Old Windows

DIY patio greenhouse

Create a hothouse with old doors and window panes that you now no longer use? Learn to make this here.

9. Mason Jar Greenhouse

Mini Greenhouse 5

Another creative idea, which is ideal for the germination of plants. Learn more about it here.

10. Small Greenhouse Made From Old Windows


Use old windows to make this mini greenhouse for your garden and grow plants of your choice! Details are here.

11. Umbrella Mini Greenhouse

Mini Greenhouse 6

No greenhouse? No problem! You can get started as early as February on growing your fresh greens by making this umbrella mini-greenhouse.

12. Cold Frames Greenhouse


A cold frame is simply a box with a transparent lid or cover. It acts as a passive solar energy collector and reservoir. Click here for details.

13. Cold Frame Using an Old Window

Mini Greenhouse 7

Use clear plastic for the lid or an old window. The idea is that the glass or plastic will harness the winter sun’s warmth, allowing plants to grow inside. Details are here.

14. Super Cheap Hoop House


Here’s a fantastic DIY on how to make a hoop for growing plants. It takes very little space and is also easy to make!

15. Mini Plastic Greenhouse

Mini Greenhouse 8

Watch this video to learn how to make a greenhouse using plastic spinach containers for a little space!

16. Mini Greenhouse Under $25!


This mini greenhouse will provide warm, humid conditions for certain kinds of cuttings and seedlings to thrive! Watch the video here.

17. Mini Greenhouse for Your Deck or Patio

Mini Greenhouse 9

This DIY mini greenhouse is great for small outdoor spaces! It only takes up a few feet and has removable shelf slats for taller plants.

18. Ikea Greenhouse

mini wooden greenhouse

If you’re much into DIYs, you can buy Ikea SOCKER greenhouse. It is perfect for small space gardens.

19. PVC Greenhouse

pvc greenhouse

PVC greenhouse is the most simple to make yet the most functional. It needs minimal effort and is extremely versatile and compatible with different needs since its structure is made of PVC pipes, which are really easy to arrange.

You will only need to take the measurements for your mini greenhouse and create the structure by joining together the pipes by means of couplings L and T joints to adjust the length and the size of your greenhouse. After completing the basic structure with the pipes, all you need is to cover it with plastic sheeting. Secure it where it is needed with tape or super glue.

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