Psilocybe cubensis Mexican This strain was discovered near Guadalajara and Talpa (Mexico). It is a reasonable mushroom producer but it’s mostly cultivated for the enormous clusters of mushrooms on cased grain or when expanded onto pasteurised or sterilized compost.Substrate: Compost, grain, pasteurized dung & strawTemperature during colonization: 28-30 °CTemperature during cropping: 22-25 °CSpores are packed in a protective atmosphere and can be kept for a number of years. The spores can be sent to almost any country without a problem.