How many chill hours does 16920 get?

16920 averages 1580 chill hours per winter, ranging from 1328 to 1885 across the last 10 years.

What hardiness zone is 16920?

16920 is in USDA hardiness zone 5b.

Location almanac

The short answer

16920 averages 1,580 chill hours per winter (1,328–1,885 across 10 years) in USDA zone 5b.

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 16920’s chill hours and zone:

Chill and zone requirements are comfortably met in 16920.

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How many chill hours does 16920 get?: 16920 averages 1580 chill hours per winter, ranging from 1328 to 1885 across the last 10 years.
What hardiness zone is 16920?: 16920 is in USDA hardiness zone 5b.

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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