Greg Grant is a co-author, with William C. Welch, of The Southern Heirloom Garden (1995, Taylor Publishing, Dallas, Texas) and a contributor to The Influence of Women on the Southern Landscape (1997, Old Salem, Inc.). He has a B.S. degree in floriculture and a M.S. degree in horticulture, both from Texas A&M University and has attended post graduate classes at LSU, North Carolina State University, and Stephen F. Austin State University. He has experience as an award winning horticulturist with the Texas Agricultural Extension Service in Rusk, the director of research and development for Lone Star Growers in San Antonio, an instructor with LSU in Baton Rouge, a horticulturist with the Texas Agricultural Extension Service in San Antonio and with the Antique Rose Emporium in Brenham, Texas.

He has traveled extensively to botanical and public gardens throughout the United States and Europe and is a popular public speaker in the southern U.S. He is a Master Gardener, a Master Texas Certified Nurseryman, a graduate of the Benz School of Floral Design, and a member of the Royal Horticultural Society, the Garden Writers Association of America, and the Southern Garden History Society.

He lives in Arcadia, in deep East Texas, where he gardens and tends the small Flora Catalpa Arboretum.