Phelan, CA planting zone & frost dates
Phelan is in USDA hardiness zone 8b.
USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Frost datesInfo missingno NOAA station with frost data close enough (and at a similar elevation)
Useful for zone 8b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Hardiness zone by ZIP code in Phelan
- 92329 zone 8b
- 92371 zone 8b
Nearby cities
- Adelanto zone 8b, last frost Mar 18
- Hesperia zone 8b, last frost Feb 28
- Victorville zone 8b, last frost Mar 18
- Lake Los Angeles zone 8b, last frost Mar 13
- Rancho Cucamonga zone 10a
- Upland zone 10a
- Crestline zone 8b, last frost May 5
- Muscoy zone 10a, last frost Jan 27
Questions
What growing zone is Phelan, CA?
Phelan is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.
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.