I love seeing row after row of uniform black plastic seed starting planters in garden centers and greenhouses. They’ve been dutifully watered and sunned, shaded and fertilized by the garden pros in the nursery. They even have the guts to set them out before the last frost of the year, so we can get our gardens started early! After spending so many cold days looking out the windows, dreaming over the seed catalogs, I’m itching to get started with my own seeds, but not quite ready to be outside. To…