I recently added some spent oyster mushroom block to a mix of straw & boiled iris roots (boiled to help them break down faster because they are pretty much indestructible) & the mushrooms seem to love the substrate! Considering irises are poisonous, would it be safe to eat the mushrooms growing on them?
Today's lesson is that you can't wear a jetpack AND a cape. I should have read this tiny ad:
Switching from electric heat to a rocket mass heater reduces your carbon footprint as much as parking 7 cars