How many chill hours does 66717 get?

66717 averages 1365 chill hours per winter, ranging from 1137 to 1733 across the last 10 years.

What hardiness zone is 66717?

66717 is in USDA hardiness zone 7a.

Location almanac

The short answer

66717 averages 1,365 chill hours per winter (1,137–1,733 across 10 years) in USDA zone 7a.

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 66717’s chill hours and zone:

Chill and zone requirements are comfortably met in 66717.

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How many chill hours does 66717 get?: 66717 averages 1365 chill hours per winter, ranging from 1137 to 1733 across the last 10 years.
What hardiness zone is 66717?: 66717 is in USDA hardiness zone 7a.

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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