USDA Hardiness Zones

Find your climate starting point

Find Your USDA Zone

Hardiness zones describe average annual extreme minimum winter temperatures. Frost dates, summer heat, rainfall, and local microclimates also matter.

1–3

Very Cold Winters

Choose cold-hardy perennials and plan for a shorter frost-free season.

4–5

Cold Winters

Time warm-season starts carefully and use clear spring windows.

6–7

Moderate Seasons

A broad range of perennial and seasonal planting options is possible.

8–9

Long Warm Season

Plan around heat, moisture, and strong fall planting opportunities.

10–13

Mild Winters

Focus on cool-season timing, heat tolerance, and local chill needs.