Idaho 2012 USDA Hardiness Zone Map
| Zone 3b -35°F to -30°F | Zone 4a -30°F to -25°F | Zone 4b -25°F to -20°F | Zone 5a -20°F to -15°F | Zone 5b -15°F to -10°F |
| Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F | Zone 7a 0°F to 5°F | Zone 7b 5°F to 10°F | Zone 8a 10°F to 15°F |
Based on the 2012 USDA Hardiness Zone Map, this interactive version covers the state of Idaho which ranges from USDA Zone 3b to USDA Zone 8a.
