๐ฑ Gardening
Gardening Zone Finder
Hardiness zones exist to describe one thing only: the coldest temperature a plant has to survive. They say nothing about summer heat, rainfall or soil, which is why two gardens in the same zone can grow very different plants.
How it works
Coldest winter temperature
Temperature unit
Typical snow cover
Hardiness zone
Zone as a number
Average annual low
Average annual low
What winter feels like
Plants that thrive
Last frost, typically
First frost, typically
Snow cover effect
Frequently asked questions
How do I use the Gardening Zone Finder?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.