How many chill hours does 52551 get?

52551 averages 1453 chill hours per winter, ranging from 1205 to 1781 across the last 10 years.

What hardiness zone is 52551?

52551 is in USDA hardiness zone 5b.

Location almanac

The short answer

52551 averages 1,453 chill hours per winter (1,205–1,781 across 10 years) in USDA zone 5b.

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 52551’s chill hours and zone:

Chill and zone requirements are comfortably met in 52551.

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How many chill hours does 52551 get?: 52551 averages 1453 chill hours per winter, ranging from 1205 to 1781 across the last 10 years.
What hardiness zone is 52551?: 52551 is in USDA hardiness zone 5b.

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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