How many chill hours does 15547 get?

15547 averages 1509 chill hours per winter, ranging from 1255 to 1780 across the last 10 years.

What hardiness zone is 15547?

15547 is in USDA hardiness zone 6a.

Location almanac

The short answer

15547 averages 1,509 chill hours per winter (1,255–1,780 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 15547’s chill hours and zone:

Chill and zone requirements are comfortably met in 15547.

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How many chill hours does 15547 get?: 15547 averages 1509 chill hours per winter, ranging from 1255 to 1780 across the last 10 years.
What hardiness zone is 15547?: 15547 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