I'm also impressed with how hearty moss can be as I've had it die on me often when I try to grow it indoors. I think moss needs a LOT more sun than most people think. And it's not dead if it dries out...
So, what I'm saying is if you have a little outdoor space you can start a moss garden. Get a big pot, deep if you also want a random tree. But the moss can make do with about 3" of substrate. Wild soil and compost is best. Potting mix is too light and crumbly. When you see moss collect a little patch and press it down and water it. It will spread.
Keep it outside. Let it get covered in slow. Let it dry out now and then. Keep adding moss and watch them fight.
Keep it outside. Let it get covered in slow. Let it dry out now and then. Keep adding moss and watch them fight.
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