The B+ psilocybe cybensis spore is a high-performing psilocybe cubensis strain known for its size. Cubensis b+ spores are by far the most adaptable, as they can grow in a wide range of temperatures and substrates. It can grow to be quite large in the wild and was discovered growing wild in Florida in the 1990s. It colonizes at a slow but steady rate and in cooler temperatures. Cultivators who use the b+ mushroom spore syringe report that it yields a large caramel-colored cap with a thick stem. It also leaves a thick veil of dark spores. You can purchase b+ mushroom spores from our magic mushroom spores website. When the stem is damaged, it turns bluish/grey. B+ spores for sale on the internet.