How many chill hours does 93305 get?

93305 averages 682 chill hours per winter, ranging from 402 to 1042 across the last 10 years.

What hardiness zone is 93305?

93305 is in USDA hardiness zone 9b.

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The short answer

93305 averages 682 chill hours per winter (402–1,042 across 10 years) in USDA zone 9b.

93305 climate
Average chill hours	682 (402–1,042 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 93305’s chill hours and zone:

Chill and zone requirements are comfortably met in 93305.

Show 55 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 93305 get?: 93305 averages 682 chill hours per winter, ranging from 402 to 1042 across the last 10 years.
What hardiness zone is 93305?: 93305 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