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Shiny Leaf Coffee
(sh.itjust.works)
Gardening with plants native to your region.
Other plant based communities I have found on the fediverse:
No Lawns:
https://slrpnk.net/c/nolawns
Native Plant Gardening:
https://mander.xyz/c/nativeplantgardening
The Garden:
https://thegarden.land/c/gardening