How many chill hours does 87831 get?

87831 averages 1452 chill hours per winter, ranging from 1252 to 1666 across the last 10 years.

What hardiness zone is 87831?

87831 is in USDA hardiness zone 7b.

Location almanac

The short answer

87831 averages 1,452 chill hours per winter (1,252–1,666 across 10 years) in USDA zone 7b.

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 87831’s chill hours and zone:

Chill and zone requirements are comfortably met in 87831.

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How many chill hours does 87831 get?: 87831 averages 1452 chill hours per winter, ranging from 1252 to 1666 across the last 10 years.
What hardiness zone is 87831?: 87831 is in USDA hardiness zone 7b.

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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