Hardiness Zone 2: -50 to -40 °F
Zone 2 covers places whose average annual extreme winter low falls between -50 and -40 °F (-45.6 to -40 °C). Alaska and the coldest pockets of the northern tier, including northern Minnesota and high northern Maine.
Zone 2 facts
| Full band | -50 to -40 °F (-45.6 to -40 °C) |
|---|---|
| Zone 2a (colder half) | -50 to -45 °F |
| Zone 2b (warmer half) | -45 to -40 °F |
| Where it occurs | Alaska and the coldest pockets of the northern tier, including northern Minnesota and high northern Maine. |
| Yards on YardShare tagged zone 2 | 9 |
Plants rated hardy to zone 2 should survive an average winter low in this band. Summer heat, rainfall, soil, and microclimates still decide the rest, and the full researched zone guide is being built for this page.
Data: 2023 USDA Plant Hardiness Zone Map (USDA and PRISM Climate Group, Oregon State University). Yard counts and photos are live from the YardShare archive; member-entered zone tags are shown as members set them.