How many chill hours does 13608 get?

13608 averages 1491 chill hours per winter, ranging from 1195 to 1831 across the last 10 years.

What hardiness zone is 13608?

13608 is in USDA hardiness zone 4b.

Location almanac

The short answer

13608 averages 1,491 chill hours per winter (1,195–1,831 across 10 years) in USDA zone 4b.

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 13608’s chill hours and zone:

Chill and zone requirements are comfortably met in 13608.

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How many chill hours does 13608 get?: 13608 averages 1491 chill hours per winter, ranging from 1195 to 1831 across the last 10 years.
What hardiness zone is 13608?: 13608 is in USDA hardiness zone 4b.

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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