Psilocybe cubensis B+The B+ mycelium grows aggressively on a wide variety of substrates and within a broad temperature range. Very suitable for indoor growing.When grown on more nutritious substrates such as cased grains, compost and straw, B+ has the potential to produce enormous mushrooms, easily reaching a height of 30 cm or larger. No wonder B+ is one of the most popular strains available.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.