Start with high-confidence southern gardening books, then narrow by subgenre or adjacent topics.
Preserving Our Roots
John Coykendall, Christina Melton
Louisiana Herb Journal
Corinne Martin
The Florida Lawn Handbook
Laurie E. Trenholm
Native Plant Landscaping for Florida Wildlife
Craig N. Huegel
Antique Roses for the South
William C. Welch
Native Plants for New England Gardens
Mark Richardson
Native Plants for Florida Gardens
Stacey Matrazzo, Nancy Bissett
100 Orchids for Florida
Jack Kramer
The Art of South Florida Gardening
Harold Songdahl, Coralee Leon
Transforming Florida Yards
Amanda Pike
Native Plants for Your Maine Garden
Maureen Heffernan