USDA hardiness zone 2a
In zone 2a the average coldest winter night reaches -50°F to -45°F. Plants labeled for zone 2 (or a colder zone) can survive the winter outdoors here. 1 U.S. cities with 10,000+ residents are in this zone.
| City | State | Zone | Avg. last frost | Avg. first frost |
|---|---|---|---|---|
| Badger | AK | 2a | May 22 | Sep 2 |