One of the most cost-effective ways to create a mini greenhouse is by upcycling materials. Old picture frames, clear plastic ...

The milky white panels let in less light than ... It resists tearing, which DeVore says is an issue with greenhouse plastics. "Wind and hail rip plastic, and small tears become big," DeVore ...

Plastic sheeting is used as a covering to help let in plenty of light while keeping the cold out. The greenhouse is also heated, and can maintain a 40 deg F temperature differential with 14,000 BTUs.