| 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 | Zone 8b 15°F to 20°F |
| Zone 9a 20°F to 25°F | Zone 9b 25°F to 20°F | Zone 10a 30°F to 25°F | Zone 10b 35°F to 30°F |
Based on the USDA Hardiness Zone Map, this interactive version covers the country of United Kingdom which ranges from Zone 6b to Zone 10b.