How many chill hours does 17931 get?

17931 averages 1619 chill hours per winter, ranging from 1328 to 1925 across the last 10 years.

What hardiness zone is 17931?

17931 is in USDA hardiness zone 6b.

Location almanac

The short answer

17931 averages 1,619 chill hours per winter (1,328–1,925 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 17931’s chill hours and zone:

Chill and zone requirements are comfortably met in 17931.

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How many chill hours does 17931 get?: 17931 averages 1619 chill hours per winter, ranging from 1328 to 1925 across the last 10 years.
What hardiness zone is 17931?: 17931 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