How many chill hours does 17970 get?

17970 averages 1716 chill hours per winter, ranging from 1413 to 2068 across the last 10 years.

What hardiness zone is 17970?

17970 is in USDA hardiness zone 6b.

Location almanac

The short answer

17970 averages 1,716 chill hours per winter (1,413–2,068 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 17970’s chill hours and zone:

Chill and zone requirements are comfortably met in 17970.

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How many chill hours does 17970 get?: 17970 averages 1716 chill hours per winter, ranging from 1413 to 2068 across the last 10 years.
What hardiness zone is 17970?: 17970 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