Garden Grove, CA planting zone & frost dates

Garden Grove 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

As an Amazon Associate, FrostZoneMap earns from qualifying purchases, at no extra cost to you.

Hardiness zone by ZIP code in Garden Grove

92840 zone 10b
92841 zone 10a
92842 zone 10b
92843 zone 10b
92844 zone 10b
92845 zone 10a
92846 zone 10a

Nearby cities

Stanton zone 10a
Fountain Valley zone 10b
Westminster zone 10b
Anaheim zone 10b
Santa Ana zone 10b
Orange zone 10b
Fullerton zone 10b
Cypress zone 10a

All cities in California → · Other zone 10b cities →

Questions

What growing zone is Garden Grove, CA?

Garden Grove is in USDA Plant Hardiness Zone 10b (average extreme winter low 35°F to 40°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 10a.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Santa Ana Fire Stn, CA (USC00047888), 7.7 km (4.8 mi) from the city center, elevation 41 m, based on 28 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.