Start seedlings early, toughen up young plants, or extend your growing season with a GrowSpan Flip-Top Cold Frame.
- Hoop building framework is constructed from 19 gauge 1.05" OD USA-made, triple-galvanized structural steel tubing.
- Covering is made from UV-resistant, translucent, 4mm PolyCor that offers long life and durability.
- Flip-top feature allows for maximum air circulation and additional sunlight.
- Helps moderate and stabilize temperatures, encourages better air circulation, and protects your plants from rain, wind, insects, birds and other pests.
- 2" x 6" black poly lumber base is included. This recycled plastic lumber is extremely durable and will not rot, crack, split or splinter like real wood. It is protected by UV-stabilizers, so there is no fading after exposure to the elements.