Whittier, CA planting zone & frost dates
Whittier is in USDA hardiness zone 10b. Frost is rare here: in most years temperatures do not drop to 32°F.
USDA hardiness zone10bavg. extreme winter low 35°F to 40°F
FrostRarein most years the nearest weather station records no 32°F freeze
Useful for zone 10b gardens
- Drip irrigation kit — saves water in long, hot seasons
- Shade cloth — protects plants from midday sun
- Soil moisture meter
- Plants for zone 10
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Hardiness zone by ZIP code in Whittier
- 90601 zone 10b
- 90602 zone 10b
- 90603 zone 10b
- 90604 zone 10b
- 90605 zone 10b
- 90606 zone 10b
- 90607 zone 10b
- 90608 zone 10b
- 90609 zone 10b
- 90610 zone 10b
Nearby cities
- South Whittier zone 10b
- West Whittier-Los Nietos zone 10b
- Santa Fe Springs zone 10b
- Pico Rivera zone 10b
- La Mirada zone 10a
- Hacienda Heights zone 10b
- Avocado Heights zone 10b
- South El Monte zone 10b
Questions
What growing zone is Whittier, CA?
Whittier is in USDA Plant Hardiness Zone 10b (average extreme winter low 35°F to 40°F), according to the USDA 2023 map.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Fullerton Muni Ap, CA (USW00003166), 12.9 km (8.0 mi) from the city center, elevation 29 m, based on 13 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.