How many chill hours does 60617 get?

60617 averages 1694 chill hours per winter, ranging from 1272 to 2073 across the last 10 years.

What hardiness zone is 60617?

60617 is in USDA hardiness zone 6a.

Location almanac

The short answer

60617 averages 1,694 chill hours per winter (1,272–2,073 across 10 years) in USDA zone 6a.

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 60617’s chill hours and zone:

Chill and zone requirements are comfortably met in 60617.

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How many chill hours does 60617 get?: 60617 averages 1694 chill hours per winter, ranging from 1272 to 2073 across the last 10 years.
What hardiness zone is 60617?: 60617 is in USDA hardiness zone 6a.

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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