USDA Growing Zone Calculator

Find your USDA Plant Hardiness Zone based on average annual extreme minimum temperature. Know what plants will thrive in your area.

Avg Annual Extreme Min Temp

°F

Tab to move between fields

USDA Hardiness Zone

Zone 8a

DescriptionMild — camellias, azaleas, many tropicals

Min Temp (°F)5 °F

Min Temp (°C)-15 °C

How to Use This Calculator

Enter the Average Annual Extreme Minimum Temperature in °F for your location (the coldest it typically gets in winter).
Review your USDA Hardiness Zone, Zone Description, and minimum temperature in both °F and °C.
Use your zone to select plants rated for your area from nursery catalogs and plant tags.

What each input means

Avg Annual Extreme Min Temp: The coldest temperature your area typically reaches in winter.

Identify Input Parameters
Avg Annual Extreme Min Temp = 5 = 1 input(s) provided
Calculate USDA Hardiness Zone
Zone 8a = Zone 8a
Calculate Description
Mild — camellias, azaleas, many tropicals = Mild — camellias, azaleas, many tropicals
Calculate Min Temp
Min Temp = 5
5 = 5

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