Buy Magic Mushrooms UK has the Best Customer Service. Orders are always shipped the same business day ensuring a fast delivery. We have you covered if you are looking for magic mushrooms in Ireland or even magic mushrooms Scotland. Come check out all the high quality, and massive selection of UK Magic Mushrooms we have. SHOP NOW FREE SHIPPING.Psilocybe fimetaria is a magic mushroom known to grow in Great Britain. Its cap is 1.5cm to 3.5cm in diameter and is usually broadly convex with translucent striations on the surface. When moist, the cap becomes sticky and reddish brown to honey. When dried, it becomes yellowish olive to ochre. Psilocybe fimetaria can grow as tall as 9cm.