Gardening Maps - American Horticultural Society

What Grows in My Zone?

Many factors influence which plants will thrive in a given location. Heat, cold, and elevation are just a few that can have a big impact. If you’re trying to figure out which plants to use in your garden, check out the gardening maps below that designate plant zones based on various important factors.

Arbor Day Foundation 2015 Hardiness Zone Map

The Arbor Day Foundation developed this U.S. Hardiness Zone Map based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.

USDA Hardiness Zone Map

Search the U.S. Department of Agriculture (USDA) plant hardiness zone map by zip code. This interactive map divides regions based on average minimum temperatures.

Sunset Climate Zone Maps

Sunset’s regional climate zone maps are designed to tell you where a plant will thrive year-round.