How many chill hours does 56311 get?

56311 averages 1038 chill hours per winter, ranging from 664 to 1338 across the last 10 years.

What hardiness zone is 56311?

56311 is in USDA hardiness zone 4b.

Location almanac

The short answer

56311 averages 1,038 chill hours per winter (664–1,338 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 56311’s chill hours and zone:

Chill and zone requirements are comfortably met in 56311.

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How many chill hours does 56311 get?: 56311 averages 1038 chill hours per winter, ranging from 664 to 1338 across the last 10 years.
What hardiness zone is 56311?: 56311 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