How many chill hours does 13437 get?

13437 averages 1411 chill hours per winter, ranging from 1109 to 1742 across the last 10 years.

What hardiness zone is 13437?

13437 is in USDA hardiness zone 4b.

Location almanac

The short answer

13437 averages 1,411 chill hours per winter (1,109–1,742 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 13437’s chill hours and zone:

Chill and zone requirements are comfortably met in 13437.

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How many chill hours does 13437 get?: 13437 averages 1411 chill hours per winter, ranging from 1109 to 1742 across the last 10 years.
What hardiness zone is 13437?: 13437 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