How many chill hours does 83111 get?

83111 averages 1327 chill hours per winter, ranging from 909 to 1660 across the last 10 years.

What hardiness zone is 83111?

83111 is in USDA hardiness zone 4b.

Location almanac

The short answer

83111 averages 1,327 chill hours per winter (909–1,660 across 10 years) in USDA zone 4b.

83111 climate
Average chill hours	1,327 (909–1,660 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 19 – June 19
First fall frost	typically September 17 – October 20

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 83111’s chill hours and zone:

Chill and zone requirements are comfortably met in 83111.

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How many chill hours does 83111 get?: 83111 averages 1327 chill hours per winter, ranging from 909 to 1660 across the last 10 years.
What hardiness zone is 83111?: 83111 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