How many chill hours does 56550 get?

56550 averages 1032 chill hours per winter, ranging from 697 to 1320 across the last 10 years.

What hardiness zone is 56550?

56550 is in USDA hardiness zone 4a.

Location almanac

The short answer

56550 averages 1,032 chill hours per winter (697–1,320 across 10 years) in USDA zone 4a.

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 56550’s chill hours and zone:

Chill and zone requirements are comfortably met in 56550.

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How many chill hours does 56550 get?: 56550 averages 1032 chill hours per winter, ranging from 697 to 1320 across the last 10 years.
What hardiness zone is 56550?: 56550 is in USDA hardiness zone 4a.

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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