I made this easy dish garden using a big glass serving plate and a cake cover
the soil is cactus mix with a layer of sand on the top
I give it a little drizzle of water about every 10 days
the glass dome makes it quite humid
I originally had just succulents in it, but I've recently added mosses and lichens
they seem to be very happy
living up here in the Northwest, moss and lichen are abundant
... all of these pieces I found while out walking ...