Transplanting is a touchy time for young plants — but here's a way to transition young plants happily outdoors. Simply start your seeds in this convenient set of biodegradable, plantable pots. When the time comes to transplant your seedlings, settle them gently into the garden — pot and all. The wood fibers immediately begin to biodegrade, ensuring adequate moisture and aeration as well as restriction-free root growth. Also eliminates the need to discard plastic pots. Set includes a heavy-duty plastic tray you can reuse year after year, plus eighteen 3-1/2" square pots.