How many chill hours does 49431 get?

49431 averages 1758 chill hours per winter, ranging from 1382 to 2190 across the last 10 years.

What hardiness zone is 49431?

49431 is in USDA hardiness zone 6b.

Location almanac

The short answer

49431 averages 1,758 chill hours per winter (1,382–2,190 across 10 years) in USDA zone 6b.

49431 climate
Average chill hours	1,758 (1,382–2,190 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 14 – May 8
First fall frost	typically November 9 – November 24

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 49431’s chill hours and zone:

Chill and zone requirements are comfortably met in 49431.

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How many chill hours does 49431 get?: 49431 averages 1758 chill hours per winter, ranging from 1382 to 2190 across the last 10 years.
What hardiness zone is 49431?: 49431 is in USDA hardiness zone 6b.

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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