Zone 2a -50°F to -45°F | Zone 2b -45°F to -40°F | Zone 3a -40°F to -35°F | 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 |
Based on the USDA Hardiness Zone Map, this interactive version covers the country of Russia which ranges from Zone 2a to Zone 9b.