Oceanside, CA planting zone & frost dates
Oceanside 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
Hardiness zone by ZIP code in Oceanside
- 92049 zone 10a
- 92051 zone 10a
- 92052 zone 10a
- 92054 zone 10a
- 92056 zone 10a
- 92057 zone 10a
- 92058 zone 10a
Nearby cities
- Camp Pendleton South zone 10a
- Carlsbad zone 10b, last frost Jan 23
- Vista zone 10a
- Encinitas zone 10a
- San Marcos zone 10a
- Fallbrook zone 10b
- Solana Beach zone 10b
- Escondido zone 10a
Questions
What growing zone is Oceanside, CA?
Oceanside 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 Oceanside Marina, CA (USC00046377), 2.1 km (1.3 mi) from the city center, elevation 3 m, based on 27 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.