Former University of Georgia football coach Vince Dooley and several authors will speak at the opening day of Gwinnett Technical College’s spring plant sale at the greenhouse on campus, 5150 Sugarloaf Parkway, Lawrenceville.

Dooley, an avid gardener, will be joined by Erica Glasener, the host of HGTV’s “A Gardener’s Diary”; Jim Wilson, author of five bird identification guides; and Jane Bath, author of the “The Landscape Design Answer Book.”

The event is free and open to the public. For more information about the plant sale, visit www.gwinnetttech.edu. For information about the authors, visit www.gwinnettpl.org.