USDA Hardiness Zones Explained: What Your Zone Does and Does Not Tell You
USDA hardiness zones measure average winter minimum temperatures only, so use them for perennials and shrubs, not for planting dates or summer performance.
Home & garden, state by state
USDA hardiness zones measure average winter minimum temperatures only, so use them for perennials and shrubs, not for planting dates or summer performance.
A practical guide to planting dates, soil prep, disease-resistant varieties and pest fixes for growing tomatoes across Texas’s very different climate zones.
Ohio’s tomato transplant window runs May 5 to May 15 near Columbus, per OSU Extension, and the right variety depends on how much season is left after that.