Once the mycellium colonizes the substrate (wood chips), it keeps other fungus out. I do soak the wood chips (alder chips, like for smoking food) in water for 24hrs to kill anything in there. I see other mushrooms growing in the area (because I keep it moist others grow well too) but they stay out of the patch. You just have to watch when you are harvesting around the edges, but wavy caps are very distinguishable from the other native ones.
Indoor growing is much more dependable though, where you can control the environment. Its a fun hobby if you have patience.
I tried to make a morel patch, but those are notoriously hard to grow on your own.
I found a place where they sell little round plugs of mycelium that you stick in holes that you drill in old logs for them to grow in. Looked like a fun thing to do. They were sold out last I checked. I hope I can find that site again!
The do look all sold out here https://fungi.com/collections/plug-spawn-for-logs-stumps
Yep, that's the place!
They got a write-up in some shitty magazine ma-in-law subscribes to so I guess they're just sold out forever now.
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