How many chill hours does 10973 get?

10973 averages 1666 chill hours per winter, ranging from 1417 to 1930 across the last 10 years.

What hardiness zone is 10973?

10973 is in USDA hardiness zone 6b.

Location almanac

The short answer

10973 averages 1,666 chill hours per winter (1,417–1,930 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 10973’s chill hours and zone:

Chill and zone requirements are comfortably met in 10973.

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How many chill hours does 10973 get?: 10973 averages 1666 chill hours per winter, ranging from 1417 to 1930 across the last 10 years.
What hardiness zone is 10973?: 10973 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