How many chill hours does 59928 get?

59928 averages 1719 chill hours per winter, ranging from 1260 to 1994 across the last 10 years.

What hardiness zone is 59928?

59928 is in USDA hardiness zone 5a.

Location almanac

The short answer

59928 averages 1,719 chill hours per winter (1,260–1,994 across 10 years) in USDA zone 5a.

59928 climate
Average chill hours	1,719 (1,260–1,994 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically May 9 – May 29
First fall frost	typically September 25 – October 24

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 59928’s chill hours and zone:

Chill and zone requirements are comfortably met in 59928.

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How many chill hours does 59928 get?: 59928 averages 1719 chill hours per winter, ranging from 1260 to 1994 across the last 10 years.
What hardiness zone is 59928?: 59928 is in USDA hardiness zone 5a.

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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