Almanac has this available on their site, then all you need to do is input your zipcode. I also like to look up plantmaps.com . If your city has more than one plant hardiness zone, this site shows a map and you'll be able to easily locate exactly which zone you're in. We live alongside a mountain range and have three different plant hardiness zones in our city, so this helps a lot as to which one pertains to us.
Almanac has this available on their site, then all you need to do is input your zipcode. I also like to look up plantmaps.com . If your city has more than one plant hardiness zone, this site shows a map and you'll be able to easily locate exactly which zone you're in. We live alongside a mountain range and have three different plant hardiness zones in our city, so this helps a lot as to which one pertains to us.