San Gabriel, CA planting zone & frost dates
San Gabriel is in USDA hardiness zone 10a. Frost is rare here: in most years temperatures do not drop to 32°F.
USDA hardiness zone10aavg. extreme winter low 30°F to 35°F
FrostRarein most years the nearest weather station records no 32°F freeze
Useful for zone 10a 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 San Gabriel
- 91775 zone 10a
- 91776 zone 10a
- 91778 zone 10a
Nearby cities
- Alhambra zone 10a
- San Marino zone 10a
- Rosemead zone 10b
- Monterey Park zone 10b
- South Pasadena zone 10a
- Temple City zone 10a
- Pasadena zone 10b
- South El Monte zone 10b
Questions
What growing zone is San Gabriel, CA?
San Gabriel is in USDA Plant Hardiness Zone 10a (average extreme winter low 30°F to 35°F), according to the USDA 2023 map.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station San Gabriel Fire Dept, CA (USC00047785), 1.4 km (0.9 mi) from the city center, elevation 111 m, based on 18 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.