How many chill hours does 59528 get?

59528 averages 1526 chill hours per winter, ranging from 1020 to 1737 across the last 10 years.

What hardiness zone is 59528?

59528 is in USDA hardiness zone 4a.

Location almanac

The short answer

59528 averages 1,526 chill hours per winter (1,020–1,737 across 10 years) in USDA zone 4a.

59528 climate
Average chill hours	1,526 (1,020–1,737 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 23 – May 19
First fall frost	typically September 30 – 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 59528’s chill hours and zone:

Chill and zone requirements are comfortably met in 59528.

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How many chill hours does 59528 get?: 59528 averages 1526 chill hours per winter, ranging from 1020 to 1737 across the last 10 years.
What hardiness zone is 59528?: 59528 is in USDA hardiness zone 4a.

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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