Create a protected micro climate for plants in your 2′ x 8′ bed. You can start planting earlier in spring and extend the growing season later into fall for an even bigger and better harvest. The frame installs in minutes. Then add the reinforced polyethylene, vented greenhouse cover to shield plants from harsh weather. When the weather warms up, replace the greenhouse cover with the free micro-mesh insect cover to fend off hungry pests.