Frankly, I’m not worried about the gardening zone – that’s mostly for perennials and woody plants.
The last frost date is different than your normal growing zone.
I want to know when the last frost in the spring arrives and when the first frost in the fall normally takes out my gardens.
This data is too large to print on one page here so I’ve included several resources for you to check.
BEST Is This First One: Try it first
Hint: check for nearby towns – it’s organized by alphabetical order. Note the “country” drop down menu to switch countries.
The U.S. and Canadian Frost Free Dates are Here Note you have to figure out what the local weather station is.
Two others you may check out
A summary with links of US heat maps for all manner of gardening/agriculture can be found here
Here’s a summary for both US and Canadian growing zones.