How many chill hours does 61091 get?

61091 averages 1444 chill hours per winter, ranging from 1194 to 1733 across the last 10 years.

What hardiness zone is 61091?

61091 is in USDA hardiness zone 5b.

Location almanac

The short answer

61091 averages 1,444 chill hours per winter (1,194–1,733 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 61091’s chill hours and zone:

Chill and zone requirements are comfortably met in 61091.

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How many chill hours does 61091 get?: 61091 averages 1444 chill hours per winter, ranging from 1194 to 1733 across the last 10 years.
What hardiness zone is 61091?: 61091 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