Zone Map of Eastern USA

Zone 1	Below -45°C Below -50°F	Zone 7	-18°C/-12°C 0°F/+10°F
Zone 2	-45°C/-40°C -50°F/-40°F	Zone 8	-12°C/-7°C +10°F/+20°F
Zone 3	-40°C/-34°C -40°F/-30°F	Zone 9	-7°C/-1°C +20°F/+30°F
Zone 4	-34°C/-29°C -30°F/-20°F	Zone 10	-1°C/+4°C +30°F/+40°F
Zone 5	-29°C/-23°C -20°F/-10°F	Zone 11	Above +4°C Above +40°F
Zone 6	-23°C/-18°C -10°F/0°F