Hardiness Zone Guide
Understand your USDA hardiness zone and discover which plants will thrive in your climate.
What is a Hardiness Zone?
USDA Plant Hardiness Zones are geographic areas defined by the average annual minimum winter temperature. The zones help gardeners determine which plants are most likely to survive and thrive in their specific climate.
Zones range from 1 (coldest) to 13 (warmest). Knowing your zone helps you choose plants that will survive winter in your area.
USDA Hardiness Zones
Very cold winters, short growing season
Cold winters, moderate growing season
Moderate winters, good growing season
Mild winters, long growing season
Warm winters, extended season
Very mild winters, long season
Frost rare, very long season
No frost, year-round growing
How to Find Your Zone
- 1.Use the USDA Zone Map
- 2.Enter your ZIP code to find your exact zone
- 3.Use your zone to select appropriate plants
Zone Gardening Tips
Know Your Microclimate
Urban areas may be warmer than surrounding rural areas.
Consider Summer Heat
Some zones have heat limits too - check heat tolerance.
Layer Your Knowledge
Use both hardiness zones and growing degree days.
Find Plants for Your Zone
Browse our vegetable database and filter by hardiness zone.
Browse Vegetables