How many chill hours does 04785 get?

04785 averages 1056 chill hours per winter, ranging from 840 to 1317 across the last 10 years.

What hardiness zone is 04785?

04785 is in USDA hardiness zone 4a.

Location almanac

The short answer

04785 averages 1,056 chill hours per winter (840–1,317 across 10 years) in USDA zone 4a.

04785 climate
Average chill hours	1,056 (840–1,317 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 1 – May 18
First fall frost	typically September 24 – October 30

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 04785’s chill hours and zone:

Chill and zone requirements are comfortably met in 04785.

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How many chill hours does 04785 get?: 04785 averages 1056 chill hours per winter, ranging from 840 to 1317 across the last 10 years.
What hardiness zone is 04785?: 04785 is in USDA hardiness zone 4a.

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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