How many chill hours does 93251 get?

93251 averages 420 chill hours per winter, ranging from 254 to 710 across the last 10 years.

What hardiness zone is 93251?

93251 is in USDA hardiness zone 9b.

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The short answer

93251 averages 420 chill hours per winter (254–710 across 10 years) in USDA zone 9b.

93251 climate
Average chill hours	420 (254–710 across 10 winters)
USDA hardiness zone	9b

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 93251’s chill hours and zone:

Chill and zone requirements are comfortably met in 93251.

Show 34 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

Show 2 more marginal varieties

How many chill hours does 93251 get?: 93251 averages 420 chill hours per winter, ranging from 254 to 710 across the last 10 years.
What hardiness zone is 93251?: 93251 is in USDA hardiness zone 9b.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026