How many chill hours does 68523 get?

68523 averages 1379 chill hours per winter, ranging from 1147 to 1690 across the last 10 years.

What hardiness zone is 68523?

68523 is in USDA hardiness zone 6a.

Location almanac

The short answer

68523 averages 1,379 chill hours per winter (1,147–1,690 across 10 years) in USDA zone 6a.

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 68523’s chill hours and zone:

Chill and zone requirements are comfortably met in 68523.

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How many chill hours does 68523 get?: 68523 averages 1379 chill hours per winter, ranging from 1147 to 1690 across the last 10 years.
What hardiness zone is 68523?: 68523 is in USDA hardiness zone 6a.

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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