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RE: Sprouting Seeds Indoors: DIY and Compostable!
You have to be careful with paper pots. If they are too thick, it can actually prevent oxygen exchange in your potting soil. Without O2 the roots can rot or you will end up with stunted plants.
I learned this the hard way when using commercial plant trays made with recycled paper. They turned into a pasty, impermeable shell around the roots.
Totally @beyondordinary, that's a good point. What I really like about layering paper is that you can peel off thickness or add on if need be. Also a good reason to not pack the soil too thickly. Honestly I think having the extra wadded up bits of paper at the bottom creates more air flow. I appreciate you reading and commenting!