How many chill hours does 74146 get?

74146 averages 1230 chill hours per winter, ranging from 978 to 1526 across the last 10 years.

What hardiness zone is 74146?

74146 is in USDA hardiness zone 7b.

Location almanac

The short answer

74146 averages 1,230 chill hours per winter (978–1,526 across 10 years) in USDA zone 7b.

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 74146’s chill hours and zone:

Chill and zone requirements are comfortably met in 74146.

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How many chill hours does 74146 get?: 74146 averages 1230 chill hours per winter, ranging from 978 to 1526 across the last 10 years.
What hardiness zone is 74146?: 74146 is in USDA hardiness zone 7b.

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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