Just Add Water! It is so easy to grow your own Stay Wyld Organics Lion’s Mane Mushrooms at home. Your kit comes fully colonized and able to fruit so you’re going to easily grow your own delicious Lion’s Mane Mushrooms. Lion’s Mane mushrooms grow fast so you can be harvesting in about 3 weeks. The whole lot you wish to have to grow your Lion’s Mane Mushrooms comes with your kit, including substrate fully colonized with Lion’s Mane mushrooms, and a spray bottle.