How many chill hours does 87317 get?

87317 averages 1561 chill hours per winter, ranging from 1358 to 1704 across the last 10 years.

What hardiness zone is 87317?

87317 is in USDA hardiness zone 6b.

Location almanac

The short answer

87317 averages 1,561 chill hours per winter (1,358–1,704 across 10 years) in USDA zone 6b.

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 87317’s chill hours and zone:

Chill and zone requirements are comfortably met in 87317.

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How many chill hours does 87317 get?: 87317 averages 1561 chill hours per winter, ranging from 1358 to 1704 across the last 10 years.
What hardiness zone is 87317?: 87317 is in USDA hardiness zone 6b.

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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