How many chill hours does 01222 get?

01222 averages 1549 chill hours per winter, ranging from 1311 to 1839 across the last 10 years.

What hardiness zone is 01222?

01222 is in USDA hardiness zone 6a.

Location almanac

The short answer

01222 averages 1,549 chill hours per winter (1,311–1,839 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 01222’s chill hours and zone:

Chill and zone requirements are comfortably met in 01222.

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How many chill hours does 01222 get?: 01222 averages 1549 chill hours per winter, ranging from 1311 to 1839 across the last 10 years.
What hardiness zone is 01222?: 01222 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