How many chill hours does 63673 get?

63673 averages 1433 chill hours per winter, ranging from 1176 to 1710 across the last 10 years.

What hardiness zone is 63673?

63673 is in USDA hardiness zone 6b.

Location almanac

The short answer

63673 averages 1,433 chill hours per winter (1,176–1,710 across 10 years) in USDA zone 6b.

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 63673’s chill hours and zone:

Chill and zone requirements are comfortably met in 63673.

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How many chill hours does 63673 get?: 63673 averages 1433 chill hours per winter, ranging from 1176 to 1710 across the last 10 years.
What hardiness zone is 63673?: 63673 is in USDA hardiness zone 6b.

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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