How many chill hours does 55373 get?

55373 averages 1178 chill hours per winter, ranging from 967 to 1449 across the last 10 years.

What hardiness zone is 55373?

55373 is in USDA hardiness zone 4b.

Location almanac

The short answer

55373 averages 1,178 chill hours per winter (967–1,449 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 55373’s chill hours and zone:

Chill and zone requirements are comfortably met in 55373.

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How many chill hours does 55373 get?: 55373 averages 1178 chill hours per winter, ranging from 967 to 1449 across the last 10 years.
What hardiness zone is 55373?: 55373 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