How many chill hours does 66713 get?

66713 averages 1308 chill hours per winter, ranging from 1102 to 1654 across the last 10 years.

What hardiness zone is 66713?

66713 is in USDA hardiness zone 7a.

Location almanac

The short answer

66713 averages 1,308 chill hours per winter (1,102–1,654 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 66713’s chill hours and zone:

Chill and zone requirements are comfortably met in 66713.

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How many chill hours does 66713 get?: 66713 averages 1308 chill hours per winter, ranging from 1102 to 1654 across the last 10 years.
What hardiness zone is 66713?: 66713 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