How many chill hours does 59644 get?

59644 averages 1661 chill hours per winter, ranging from 1135 to 2052 across the last 10 years.

What hardiness zone is 59644?

59644 is in USDA hardiness zone 4b.

Location almanac

The short answer

59644 averages 1,661 chill hours per winter (1,135–2,052 across 10 years) in USDA zone 4b.

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 59644’s chill hours and zone:

Chill and zone requirements are comfortably met in 59644.

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How many chill hours does 59644 get?: 59644 averages 1661 chill hours per winter, ranging from 1135 to 2052 across the last 10 years.
What hardiness zone is 59644?: 59644 is in USDA hardiness zone 4b.

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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