By Jannie Vaught Have you ever wondered about the USDA growing zones and what does it mean to you as a gardener or a farmer? Let us get a definition. The USDA Hardiness Zone map divides North America into 11 separate planting zones; each growing zone is 10*F warmer (or colder) in an average winter than the adjacent zone. Zone 8 Texas is one of … Continue reading What The USDA Growing Zones Mean