Newark, CA planting zone & frost dates
Newark 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 Newark
- 94560 zone 10a
Nearby cities
- Fremont zone 9b, last frost Jan 7
- Union City zone 9b, last frost Jan 7
- East Palo Alto zone 10a, last frost Feb 1
- Palo Alto zone 9b, last frost Feb 1
- Hayward zone 10a
- Fairview zone 9b
- Mountain View zone 10a, last frost Jan 6
- Sunnyvale zone 10a, last frost Jan 6
Questions
What growing zone is Newark, CA?
Newark 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 Newark, CA (USC00046144), 1.8 km (1.1 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.