Mycelium colonises a medium by spreading through it like roots, breaking down nutrients and absorbing them as it grows — this process begins when mushroom spores are inoculated into a suitable substrate. A network of mycelium begins to grow — thousands of fine, thread-like filaments spreading through the material. It is commonly known as colonisation, or the spawn run, and it is necessary before a single mushroom appears. For most species grown at home in the UK, colonisation takes … read more