Get Cold Frame Large PNG. Cold frames can vary in size: 6 feet long by 3 feet wide is the size of an average home garden cold frame.
The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur.
They allow you to start planting weeks earlier in the spring and if you have one large cold frame with several covers, you can economize by installing a univent on. Cold frames are essential if you want to extend your growing season. They allow you to start planting weeks earlier in the spring and if you have one large cold frame with several covers, you can economize by installing a univent on. You don't need a large garden to accommodate a cold frame.
