
A greenhouse is important to get your garden activities start earlier. I love the idea of fold-down or convertible green house. In night or cold days, your want the plants to be covered, but when it is warmer days, you can open the cover. I found this one on sale on .
With some additional research here are a couple of DIY versions.

Instructions for this convertible greenhouse linked .

And tutorial for this fold-down greenhouse is lined .
If you have build a different version, please share it in the comment box. I am sure it would be inspirational to our fellow readers.