How many chill hours does 60557 get?

60557 averages 1481 chill hours per winter, ranging from 1188 to 1772 across the last 10 years.

What hardiness zone is 60557?

60557 is in USDA hardiness zone 5b.

Location almanac

The short answer

60557 averages 1,481 chill hours per winter (1,188–1,772 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 60557’s chill hours and zone:

Chill and zone requirements are comfortably met in 60557.

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How many chill hours does 60557 get?: 60557 averages 1481 chill hours per winter, ranging from 1188 to 1772 across the last 10 years.
What hardiness zone is 60557?: 60557 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