How many chill hours does 01338 get?

01338 averages 1516 chill hours per winter, ranging from 1287 to 1840 across the last 10 years.

What hardiness zone is 01338?

01338 is in USDA hardiness zone 5b.

Location almanac

The short answer

01338 averages 1,516 chill hours per winter (1,287–1,840 across 10 years) in USDA zone 5b.

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 01338’s chill hours and zone:

Chill and zone requirements are comfortably met in 01338.

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How many chill hours does 01338 get?: 01338 averages 1516 chill hours per winter, ranging from 1287 to 1840 across the last 10 years.
What hardiness zone is 01338?: 01338 is in USDA hardiness zone 5b.

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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