Flowerwood Nursery, Inc. - flowerwood.com

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Zone Info
Consult the USDA hardiness zone map for information concerning growing zones.
Click on the map to see a larger version.
USDA Hardiness Zones and Average Annual Minimum Temperature Range
Zone	Fahrenheit	Celsius
1	Below -50° F	Below -45.6° C
2a	-50° to -45° F	-42.8° to 45.5°C
2b	-45° to -40 °F	-40.0° to -42.7° C
3a	-40° to -35° F	-37.3° to -39.9° C
3b	-35° to -30° F	-34.5° to -37.2° C
4a	-30° to -25° F	-31.7° to -34.4° C
4b	-25° to -20° F	-28.9° to -31.6° C
5a	-20° to -15° F	-26.2° to -28.8° C
5b	-15° to -10° F	-23.4° to -26.1° C
6a	-10° to -5° F	-20.6° to -23.3° C
6b	-5° to 0° F	-17.8° to -20.5° C
7a	0° to 5° F	-15.0° to -17.7° C
7b	5° to 10° F	-12.3° to -14.9° C
8a	10° to 15° F	-9.5° to -12.2° C
8b	15° to 20° F	-6.7° to -9.4° C
9a	20° to 25° F	-3.9° to -6.6° C
9b	25° to 30° F	-1.2° to -3.8° C
10a	30° to 35° F	1.6° to -1.1° C
10b	35° to 40° F	4.4° to 1.7° C
11	above 40° F	above 4.5° C