Most of the mushrooms in this category are cold weather mushrooms. In nature the spores germinate at cool temperates and the mushrooms fruit in low temperatures below 40F.
The sub tropical mexicana varieties grow in nature in dung enriched soil and are very popular among famous shamans from Mexico. Although these species also grow naturally in the southern warmer states of the U.S..
DISCLAIMER: Psilocybe mushroom spores are sold for legal microscopy purposes, food seasonings and artistic purposes. Pictures and information are for educational purposes.