For more than four decades, Asheville’s Spring Herb Festival has been highlighting herbs, heirlooms and exotic plants, soap, tinctures, extracts, and many other local goods for those with a green thumb. Also offering free workshops covering a variety of gardening topics, the festival hosts a variety of regional farms, manufacturers, and other industry professionals like Serotonin Ferments, The Hickory Nut, the Chestnut School of Herbal Medicine, and Asheville Tea Company. » WNC Agricultural Center, 765 Boylston Hwy.; Friday & Saturday 8:30 a.m.-5 p.m., Sunday 10 a.m.-3 p.m.; free; (828) 301-8968; www.ashevilleherbfestival.org