The growth time and maturity of plants vary with varieties, climate, substrates and other factors, generally taking several years to more than ten years.

1. Stewed tongue grows at the root of the tree, and it takes about 20 days from the appearance of primordia to the maturity of the cap, usually one or two years.

2. For subtropical climate, the multi-layer tongue can grow about 3 layers every year. If there is no decay of moths, about three layers can grow on the original basis in the coming year, which can last for more than 20 years.

3, flat cover Ganoderma lucidum, generally refers to a large fan-shaped birch tongue, which can only mature after 6 years of growth.