Psilocybe cubensis Z-strainThis was a novelty strain bred by an unknown source. Z-strain is a very aggressive colonizer and one of the fastest strains from inoculation to harvest available. This probably explains why this is such a popular strain among cultivators.Substrate: Compost, grain, pasteurized dung and strawTemperature during colonization: 28 – 30 °CTemperature during cropping: 22 – 26 °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.