The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones.

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.

Feb 8, 2024 · The latest edition of the growing zone map has even more detail, making it easier to pinpoint your exact zone. You can use the map by simply looking at it and finding your location, or you can use the USDA’s zip code tool.

Nov 25, 2024 · The Plant Hardiness Zone Map was updated for the 2024 gardening season with the addition of thousands more local weather stations. Look at your growing zone or gardening zone to understand which plants can survive your area’s climate.

This interactive map will help you find the correct planting zones or hardiness zones for gardening accurately. It's easy, you can use your ZIP Code, geolocation (with GPS), or click on a location on the map manually.

Gardening on the Web since 1997. Zones 2-10 in the map have been subdivided into light and dark colored sections (a and b) that represent 5° F (2.8° C) differences within the 10° F (5.6° C) zone. The light color of each zone represents the colder …

Most gardening books, catalogs, and seed packets refer to plant hardiness zones, climate zones, or growing zones. Temperature hardiness climate zones are based on normally expected high and low temperatures and serve as guides to help you know which plants will …

Jan 18, 2024 · Gardeners use the plant hardiness zone system to help pick and choose which perennial plants are most likely to grow well in their area (i.e. how “hardy” a plant is) and to determine the best time to plant annual crops in the garden. Each zone is about 10 degrees warmer than the proceeding zone.

Jan 6, 2025 · These zones help gardeners understand which plants will thrive in their climate, say Jennifer and Adam O'Neal, owners of PepperHarrow Farm. The hardiness zones defined by the USDA range from zone 1 (coldest) to zone 13 (warmest).

Understand your garden's conditions with USDA hardiness zones, AHS heat zones, and Sunset climate zones. Tailor your plant choices for optimal success.