We've been gardening for 40 years. Seriously regret purchasing these. These pots seem like hard pressed cardboard, not peat. They neither absorb nor drain well. When you water the seedlings, the water sits on top of the soil ( We used Jiffy organic mix). The roots do not grow through the walls of the pots. Other peat pots have had roots through them. Unknowingly, we did an experiment of sorts. We had pumpkin volunteers, which are seeds which survive the winter and germinate. They were growing inSee full review