Mycologist and author Peter McCoy of RadicalMycology.com takes on the question - I have access to a lot of coffee grounds. If I am approaching mushroom cultivation from a commercial standpoint, what species of mushroom do you think would grow the best if coffee grounds were the primary substrate?

To learn more about Peter and see all of the ASK Peter episodes visit permaculturevoices.com/peter

Support the show at permaculturevoices.com/support