How many chill hours does 04605 get?

04605 averages 1491 chill hours per winter, ranging from 1354 to 1790 across the last 10 years.

What hardiness zone is 04605?

04605 is in USDA hardiness zone 5b.

Location almanac

The short answer

04605 averages 1,491 chill hours per winter (1,354–1,790 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 04605’s chill hours and zone:

Chill and zone requirements are comfortably met in 04605.

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How many chill hours does 04605 get?: 04605 averages 1491 chill hours per winter, ranging from 1354 to 1790 across the last 10 years.
What hardiness zone is 04605?: 04605 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