Gardeners looking for the right tree for their landscape and music lovers looking for some live entertainment may have the opportunity to mix and mingle Saturday, March 18, in Jefferson. The Jefferson Heritage Tree Council is hosting its sixth annual Spring Foliage Fest from 10 a.m. to 4 p.m. Saturday, March 18, at City Park. The tree sale and music festival will feature live goods, arts and crafts, food and all-day bluegrass music.