How many chill hours does 13680 get?

13680 averages 1437 chill hours per winter, ranging from 1137 to 1706 across the last 10 years.

What hardiness zone is 13680?

13680 is in USDA hardiness zone 4b.

Location almanac

The short answer

13680 averages 1,437 chill hours per winter (1,137–1,706 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 13680’s chill hours and zone:

Chill and zone requirements are comfortably met in 13680.

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How many chill hours does 13680 get?: 13680 averages 1437 chill hours per winter, ranging from 1137 to 1706 across the last 10 years.
What hardiness zone is 13680?: 13680 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