How many chill hours does 13428 get?

13428 averages 1549 chill hours per winter, ranging from 1303 to 1881 across the last 10 years.

What hardiness zone is 13428?

13428 is in USDA hardiness zone 5b.

Location almanac

The short answer

13428 averages 1,549 chill hours per winter (1,303–1,881 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 13428’s chill hours and zone:

Chill and zone requirements are comfortably met in 13428.

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How many chill hours does 13428 get?: 13428 averages 1549 chill hours per winter, ranging from 1303 to 1881 across the last 10 years.
What hardiness zone is 13428?: 13428 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