Save a few bucks, and do yourself and the landfill a favor. Save that yogurt cup. Instead of spending your hard earned cash on small single plant sized pots, just make a simple alteration and you are good to go.
I'm saving all my kuerig coffee pods to start seedlings. . Peal off foil top, put coffee in compost pile (I save them to do all at once- weekly-a little adds up in a hurry) Hole is already punched in bottom by coffee machine. And they stack nicely as well.
