How many chill hours does 61539 get?

61539 averages 1512 chill hours per winter, ranging from 1234 to 1825 across the last 10 years.

What hardiness zone is 61539?

61539 is in USDA hardiness zone 6a.

Location almanac

The short answer

61539 averages 1,512 chill hours per winter (1,234–1,825 across 10 years) in USDA zone 6a.

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 61539’s chill hours and zone:

Chill and zone requirements are comfortably met in 61539.

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How many chill hours does 61539 get?: 61539 averages 1512 chill hours per winter, ranging from 1234 to 1825 across the last 10 years.
What hardiness zone is 61539?: 61539 is in USDA hardiness zone 6a.

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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