The town of Jonesborough is celebrating 19 years of being a ‘Tree City USA’ with the upcoming Arbor Day events to plant more trees in the area. The town’s Tree and Townscape Board will celebrate Arbor Day with a tree planting and distribution. It’s happening on Friday, April 28 at 10 a.m. at 720 North Cherokee Street, which is also known as the future site of Jonesborough School.