Los Angeles County, California is in USDA Hardiness Zones 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b and 11a

Los Angeles County, California Hardiness Zone Map

Los Angeles County Border
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
Zone 11a
40°F to 35°F

A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone.

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