How many chill hours does 13904 get?

13904 averages 1551 chill hours per winter, ranging from 1296 to 1863 across the last 10 years.

What hardiness zone is 13904?

13904 is in USDA hardiness zone 6a.

Location almanac

The short answer

13904 averages 1,551 chill hours per winter (1,296–1,863 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 13904’s chill hours and zone:

Chill and zone requirements are comfortably met in 13904.

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How many chill hours does 13904 get?: 13904 averages 1551 chill hours per winter, ranging from 1296 to 1863 across the last 10 years.
What hardiness zone is 13904?: 13904 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