How many chill hours does 66724 get?

66724 averages 1332 chill hours per winter, ranging from 1115 to 1676 across the last 10 years.

What hardiness zone is 66724?

66724 is in USDA hardiness zone 7a.

Location almanac

The short answer

66724 averages 1,332 chill hours per winter (1,115–1,676 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 66724’s chill hours and zone:

Chill and zone requirements are comfortably met in 66724.

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How many chill hours does 66724 get?: 66724 averages 1332 chill hours per winter, ranging from 1115 to 1676 across the last 10 years.
What hardiness zone is 66724?: 66724 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