Put your green thumb to good use and protect your plants from the elements with your very own portable greenhouse! The Derksen Greenhouse is available in 8′ width and 12′ and 16′ lengths. Standard features include Industrial Grade Polycarbonate Upper Siding and Roof, Stained LP Smartside Lower Siding, and Automatic Vent Door. Ask about our solar fan upgrade. The Derksen Greenhouse has a 5 Year Warranty.