TARA DILLARD is a national award-winning garden designer, speaker and author with degrees in both engineering and horticulture. She is the former host of ''The Better Gardening Show'' on Atlanta's CBS affiliate as well as the author of several gardening books. Tara is a frequent lecturer at flower shows across the southeastern United States, and she teaches at the Atlanta Botanical Garden and Gwinnett College.
DON WILLIAMSON, the author or coauthor of more than a dozen popular gardening guides, has a degree in horticultural technology and professional certificates in turf management. He has extensive experience designing and constructing both perennial and annual beds in formal landscape settings.