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USDA Plant Hardiness Zones

Find your zone to get personalized planting calendars.

Find Your Zone

About USDA Zones

What is a USDA hardiness zone?

A geographic area defined by average annual minimum winter temperature, helping gardeners determine which plants survive winter.

How do I find my zone?

Enter your ZIP code above to instantly find your zone.

Can I grow plants from other zones?

Yes! Many plants grow as annuals outside their rated zone, or use season extension techniques like cold frames and row covers.

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.