Temecula, CA planting zone & frost dates
Temecula is in USDA hardiness zone 9b. Frost is rare here: in most years temperatures do not drop to 32°F.
Useful for zone 9b gardens
- Drip irrigation kit — saves water in long, hot seasons
- Shade cloth — protects plants from midday sun
- Soil moisture meter
- Plants for zone 9
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Hardiness zone by ZIP code in Temecula
- 92589 zone 9b
- 92590 zone 10b
- 92591 zone 9b
- 92592 zone 9b
- 92593 zone 9b
Nearby cities
- Murrieta zone 9b
- Fallbrook zone 10b
- Wildomar zone 9b, last frost Jan 28
- Canyon Lake zone 9b, last frost Jan 28
- Menifee zone 9b, last frost Jan 31
- Lakeland Village zone 10a, last frost Jan 28
- Lake Elsinore zone 9b, last frost Jan 28
- Perris zone 9b, last frost Jan 28
Questions
What growing zone is Temecula, CA?
Temecula is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 10b.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Fallbrook 5 Ne, CA (USW00053151), 7.2 km (4.5 mi) from the city center, elevation 348 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.