How many chill hours does 13473 get?

13473 averages 1273 chill hours per winter, ranging from 1024 to 1629 across the last 10 years.

What hardiness zone is 13473?

13473 is in USDA hardiness zone 4b.

Location almanac

The short answer

13473 averages 1,273 chill hours per winter (1,024–1,629 across 10 years) in USDA zone 4b.

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 13473’s chill hours and zone:

Chill and zone requirements are comfortably met in 13473.

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How many chill hours does 13473 get?: 13473 averages 1273 chill hours per winter, ranging from 1024 to 1629 across the last 10 years.
What hardiness zone is 13473?: 13473 is in USDA hardiness zone 4b.

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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