How many chill hours does 05851 get?

05851 averages 1293 chill hours per winter, ranging from 1053 to 1755 across the last 10 years.

What hardiness zone is 05851?

05851 is in USDA hardiness zone 4b.

Location almanac

The short answer

05851 averages 1,293 chill hours per winter (1,053–1,755 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 05851’s chill hours and zone:

Chill and zone requirements are comfortably met in 05851.

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How many chill hours does 05851 get?: 05851 averages 1293 chill hours per winter, ranging from 1053 to 1755 across the last 10 years.
What hardiness zone is 05851?: 05851 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