How many chill hours does 68001 get?

68001 averages 1372 chill hours per winter, ranging from 1201 to 1640 across the last 10 years.

What hardiness zone is 68001?

68001 is in USDA hardiness zone 5b.

Location almanac

The short answer

68001 averages 1,372 chill hours per winter (1,201–1,640 across 10 years) in USDA zone 5b.

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 68001’s chill hours and zone:

Chill and zone requirements are comfortably met in 68001.

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How many chill hours does 68001 get?: 68001 averages 1372 chill hours per winter, ranging from 1201 to 1640 across the last 10 years.
What hardiness zone is 68001?: 68001 is in USDA hardiness zone 5b.

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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