What is a USDA Hardiness Zone?Updated 4 months ago

USDA Hardiness Zones are a helpful guide for understanding which plants are most likely to thrive in your region. Each zone is based on the average minimum winter temperature in a given area — offering insight into how cold it typically gets where you garden.

Knowing your zone is especially important when choosing perennials, since these plants come back year after year. Selecting varieties suited to your zone helps ensure they’ll weather the winter and return strong each season.

Not sure what your zone is? At the top of our site, you'll see a box that says "Enter Your Zipcode". Fill this out and we'll tell you which zone you are in.