How many chill hours does 59530 get?

59530 averages 1506 chill hours per winter, ranging from 963 to 1744 across the last 10 years.

What hardiness zone is 59530?

59530 is in USDA hardiness zone 4a.

Location almanac

The short answer

59530 averages 1,506 chill hours per winter (963–1,744 across 10 years) in USDA zone 4a.

59530 climate
Average chill hours	1,506 (963–1,744 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 23 – May 19
First fall frost	typically September 30 – October 23

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 59530’s chill hours and zone:

Chill and zone requirements are comfortably met in 59530.

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How many chill hours does 59530 get?: 59530 averages 1506 chill hours per winter, ranging from 963 to 1744 across the last 10 years.
What hardiness zone is 59530?: 59530 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