Mushroom Festival at The Ferry Building Marketplace. Far West Fungi and Ferry Plaza Farmers’ Market join up to celebrate culinary mushrooms. There will be Mushroom Growing Tables, a Farmer Talk with John Garrone of Far West Fungi (Sat 10am), a Mushroom Cooking Demo with Chef Bryan Waites of Medicine Restaurant (Sat 10:30am), Music, Mushroom Displays and a Children’s Coloring Table. Throughout the weekend, Marketplace merchants will offer mushroom themed tastings and demonstrations. The event will benefit the Mycological Society of San Francisco.