How many chill hours does 13635 get?

13635 averages 1442 chill hours per winter, ranging from 1158 to 1749 across the last 10 years.

What hardiness zone is 13635?

13635 is in USDA hardiness zone 4b.

Location almanac

The short answer

13635 averages 1,442 chill hours per winter (1,158–1,749 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 13635’s chill hours and zone:

Chill and zone requirements are comfortably met in 13635.

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How many chill hours does 13635 get?: 13635 averages 1442 chill hours per winter, ranging from 1158 to 1749 across the last 10 years.
What hardiness zone is 13635?: 13635 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