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 |
Based on the USDA Hardiness Zone Map, this interactive version covers the country of Belgium which ranges from Zone 7a to Zone 9b.