We are also proud to be a dealer for LoneStar Greenhouses. The LoneStar Greenhouse is a great pressure treated pine alternative with an exceptional price point for a portable greenhouse. It includes a 2×6 floor system on 4×4 skids. For a nominal fee, you can spruce it up with additional windows and planter shelves. You may also add very cool auto vents operated by a mechanical opener that opens further the hotter it gets and closes when it cools down at night.