How many chill hours does 03458 get?

03458 averages 1423 chill hours per winter, ranging from 1187 to 1731 across the last 10 years.

What hardiness zone is 03458?

03458 is in USDA hardiness zone 6a.

Location almanac

The short answer

03458 averages 1,423 chill hours per winter (1,187–1,731 across 10 years) in USDA zone 6a.

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 03458’s chill hours and zone:

Chill and zone requirements are comfortably met in 03458.

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How many chill hours does 03458 get?: 03458 averages 1423 chill hours per winter, ranging from 1187 to 1731 across the last 10 years.
What hardiness zone is 03458?: 03458 is in USDA hardiness zone 6a.

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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