Hi, I started Winecap and Portabello last year, and just ordered some Yellow Oysters.
I want to order Lion's Mane, and got some nice old Mulberry logs just hanging around that would serve well for Lion's Mane, I think.
My fear is that the Lion's Mane might over time spread to the trees around my yard. I have a small fruit orchard I've started, and I also have a large old Mulberry tree that's probably twenty years old.
Is there a risk of Lion's Mane attacking my trees and doing harm?
I'm not a mycologist, so can't say with 100% certainty, but most reputable sources list Lion's Mane as a saprophyte, meaning it grows on dead and dying wood. When it grows on trees that are still living, it's likely that that's a symptom of the fact that the tree is dying and not the cause of it. But it seems like there might still be some speculation on that front. Personally, I wouldn't sweat it. There are tons of spores flying around in the air that we breath. If a tree were susceptible to being parasitized, it would happen regardless of what you were doing.
Thank you very much for helping me bite the bullet. I went ahead and ordered some after your post, and now have had some inoculating four logs (two totems) for about a week. I look forward to some mushrooms in a year or two.