How many chill hours does 66743 get?

66743 averages 1345 chill hours per winter, ranging from 1100 to 1709 across the last 10 years.

What hardiness zone is 66743?

66743 is in USDA hardiness zone 7a.

Location almanac

The short answer

66743 averages 1,345 chill hours per winter (1,100–1,709 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 66743’s chill hours and zone:

Chill and zone requirements are comfortably met in 66743.

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How many chill hours does 66743 get?: 66743 averages 1345 chill hours per winter, ranging from 1100 to 1709 across the last 10 years.
What hardiness zone is 66743?: 66743 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