How many chill hours does 04237 get?

04237 averages 1250 chill hours per winter, ranging from 997 to 1717 across the last 10 years.

What hardiness zone is 04237?

04237 is in USDA hardiness zone 5a.

Location almanac

The short answer

04237 averages 1,250 chill hours per winter (997–1,717 across 10 years) in USDA zone 5a.

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 04237’s chill hours and zone:

Chill and zone requirements are comfortably met in 04237.

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How many chill hours does 04237 get?: 04237 averages 1250 chill hours per winter, ranging from 997 to 1717 across the last 10 years.
What hardiness zone is 04237?: 04237 is in USDA hardiness zone 5a.

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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