How many chill hours does 95537 get?

95537 averages 690 chill hours per winter, ranging from 268 to 1280 across the last 10 years.

What hardiness zone is 95537?

95537 is in USDA hardiness zone 9b.

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The short answer

95537 averages 690 chill hours per winter (268–1,280 across 10 years) in USDA zone 9b.

95537 climate
Average chill hours	690 (268–1,280 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 95537’s chill hours and zone:

Chill and zone requirements are comfortably met in 95537.

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

Show 2 more marginal varieties

How many chill hours does 95537 get?: 95537 averages 690 chill hours per winter, ranging from 268 to 1280 across the last 10 years.
What hardiness zone is 95537?: 95537 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