How many chill hours does 43407 get?

43407 averages 1540 chill hours per winter, ranging from 1230 to 1830 across the last 10 years.

What hardiness zone is 43407?

43407 is in USDA hardiness zone 6a.

Location almanac

The short answer

43407 averages 1,540 chill hours per winter (1,230–1,830 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 43407’s chill hours and zone:

Chill and zone requirements are comfortably met in 43407.

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How many chill hours does 43407 get?: 43407 averages 1540 chill hours per winter, ranging from 1230 to 1830 across the last 10 years.
What hardiness zone is 43407?: 43407 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