This guide to growing edible mushrooms covers 19 varieties, from button mushrooms to immune-boosting reishis—plus recipes and preserving methods.Mushrooms are a joy to grow—for food, as a garden feature, or just for fun—and it's easier than you think! Mushrooms will thrive in your garden, on your windowsill, and even in your basement. The key is to pick the right growing medium for your mushroom—a log, a bale of hay, or a simple pot of dirt—and give it a little shad...