How many chill hours does 15545 get?

15545 averages 1653 chill hours per winter, ranging from 1382 to 1973 across the last 10 years.

What hardiness zone is 15545?

15545 is in USDA hardiness zone 6b.

Location almanac

The short answer

15545 averages 1,653 chill hours per winter (1,382–1,973 across 10 years) in USDA zone 6b.

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 15545’s chill hours and zone:

Chill and zone requirements are comfortably met in 15545.

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How many chill hours does 15545 get?: 15545 averages 1653 chill hours per winter, ranging from 1382 to 1973 across the last 10 years.
What hardiness zone is 15545?: 15545 is in USDA hardiness zone 6b.

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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