How many chill hours does 04730 get?

04730 averages 1170 chill hours per winter, ranging from 991 to 1477 across the last 10 years.

What hardiness zone is 04730?

04730 is in USDA hardiness zone 4b.

Location almanac

The short answer

04730 averages 1,170 chill hours per winter (991–1,477 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 04730’s chill hours and zone:

Chill and zone requirements are comfortably met in 04730.

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How many chill hours does 04730 get?: 04730 averages 1170 chill hours per winter, ranging from 991 to 1477 across the last 10 years.
What hardiness zone is 04730?: 04730 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