How many chill hours does 13670 get?

13670 averages 1327 chill hours per winter, ranging from 1069 to 1655 across the last 10 years.

What hardiness zone is 13670?

13670 is in USDA hardiness zone 4a.

Location almanac

The short answer

13670 averages 1,327 chill hours per winter (1,069–1,655 across 10 years) in USDA zone 4a.

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 13670’s chill hours and zone:

Chill and zone requirements are comfortably met in 13670.

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How many chill hours does 13670 get?: 13670 averages 1327 chill hours per winter, ranging from 1069 to 1655 across the last 10 years.
What hardiness zone is 13670?: 13670 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