How many chill hours does 05255 get?

05255 averages 1173 chill hours per winter, ranging from 877 to 1669 across the last 10 years.

What hardiness zone is 05255?

05255 is in USDA hardiness zone 5a.

Location almanac

The short answer

05255 averages 1,173 chill hours per winter (877–1,669 across 10 years) in USDA zone 5a.

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 05255’s chill hours and zone:

Chill and zone requirements are comfortably met in 05255.

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How many chill hours does 05255 get?: 05255 averages 1173 chill hours per winter, ranging from 877 to 1669 across the last 10 years.
What hardiness zone is 05255?: 05255 is in USDA hardiness zone 5a.

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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