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

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.

Hoop greenhouses, sometimes called hoop houses or high tunnels, are simple greenhouse structures made of PVC or metal tubing bent into semicircular hoops and anchored into the ground. Durable plastic ...

SUNLITE has a cellular polycarbonate structure that yields a lightweight sheet with high impact strength ... up and anti-condensation treatment for greenhouses and garden centres.

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 ...