How many chill hours does 89510 get?

89510 averages 1796 chill hours per winter, ranging from 1245 to 2109 across the last 10 years.

What hardiness zone is 89510?

89510 is in USDA hardiness zone 7a.

Location almanac

The short answer

89510 averages 1,796 chill hours per winter (1,245–2,109 across 10 years) in USDA zone 7a.

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 89510’s chill hours and zone:

Chill and zone requirements are comfortably met in 89510.

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How many chill hours does 89510 get?: 89510 averages 1796 chill hours per winter, ranging from 1245 to 2109 across the last 10 years.
What hardiness zone is 89510?: 89510 is in USDA hardiness zone 7a.

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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