How many chill hours does 83435 get?

83435 averages 1086 chill hours per winter, ranging from 654 to 1461 across the last 10 years.

What hardiness zone is 83435?

83435 is in USDA hardiness zone 4b.

Location almanac

The short answer

83435 averages 1,086 chill hours per winter (654–1,461 across 10 years) in USDA zone 4b.

83435 climate
Average chill hours	1,086 (654–1,461 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 17 – May 25
First fall frost	typically September 26 – October 26

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 83435’s chill hours and zone:

Chill and zone requirements are comfortably met in 83435.

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How many chill hours does 83435 get?: 83435 averages 1086 chill hours per winter, ranging from 654 to 1461 across the last 10 years.
What hardiness zone is 83435?: 83435 is in USDA hardiness zone 4b.

Growing fruit trees in 83435? Get a care calendar anchored to this exact climate, with email reminders.

[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