How many chill hours does 13690 get?

13690 averages 1332 chill hours per winter, ranging from 1069 to 1689 across the last 10 years.

What hardiness zone is 13690?

13690 is in USDA hardiness zone 4a.

Location almanac

The short answer

13690 averages 1,332 chill hours per winter (1,069–1,689 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 13690’s chill hours and zone:

Chill and zone requirements are comfortably met in 13690.

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How many chill hours does 13690 get?: 13690 averages 1332 chill hours per winter, ranging from 1069 to 1689 across the last 10 years.
What hardiness zone is 13690?: 13690 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