How many chill hours does 80740 get?

80740 averages 1469 chill hours per winter, ranging from 1281 to 1662 across the last 10 years.

What hardiness zone is 80740?

80740 is in USDA hardiness zone 5b.

Location almanac

The short answer

80740 averages 1,469 chill hours per winter (1,281–1,662 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 80740’s chill hours and zone:

Chill and zone requirements are comfortably met in 80740.

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How many chill hours does 80740 get?: 80740 averages 1469 chill hours per winter, ranging from 1281 to 1662 across the last 10 years.
What hardiness zone is 80740?: 80740 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