How many chill hours does 13338 get?

13338 averages 1275 chill hours per winter, ranging from 1019 to 1675 across the last 10 years.

What hardiness zone is 13338?

13338 is in USDA hardiness zone 4b.

Location almanac

The short answer

13338 averages 1,275 chill hours per winter (1,019–1,675 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 13338’s chill hours and zone:

Chill and zone requirements are comfortably met in 13338.

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How many chill hours does 13338 get?: 13338 averages 1275 chill hours per winter, ranging from 1019 to 1675 across the last 10 years.
What hardiness zone is 13338?: 13338 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