How many chill hours does 15532 get?

15532 averages 1485 chill hours per winter, ranging from 1277 to 1737 across the last 10 years.

What hardiness zone is 15532?

15532 is in USDA hardiness zone 6a.

Location almanac

The short answer

15532 averages 1,485 chill hours per winter (1,277–1,737 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 15532’s chill hours and zone:

Chill and zone requirements are comfortably met in 15532.

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How many chill hours does 15532 get?: 15532 averages 1485 chill hours per winter, ranging from 1277 to 1737 across the last 10 years.
What hardiness zone is 15532?: 15532 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