How many chill hours does 59405 get?

59405 averages 1711 chill hours per winter, ranging from 1353 to 1918 across the last 10 years.

What hardiness zone is 59405?

59405 is in USDA hardiness zone 4b.

Location almanac

The short answer

59405 averages 1,711 chill hours per winter (1,353–1,918 across 10 years) in USDA zone 4b.

59405 climate
Average chill hours	1,711 (1,353–1,918 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 24 – May 22
First fall frost	typically September 14 – October 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 59405’s chill hours and zone:

Chill and zone requirements are comfortably met in 59405.

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How many chill hours does 59405 get?: 59405 averages 1711 chill hours per winter, ranging from 1353 to 1918 across the last 10 years.
What hardiness zone is 59405?: 59405 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