How many chill hours does 58727 get?

58727 averages 1080 chill hours per winter, ranging from 588 to 1317 across the last 10 years.

What hardiness zone is 58727?

58727 is in USDA hardiness zone 3b.

Location almanac

The short answer

58727 averages 1,080 chill hours per winter (588–1,317 across 10 years) in USDA zone 3b.

58727 climate
Average chill hours	1,080 (588–1,317 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically April 29 – May 19
First fall frost	typically September 28 – 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 58727’s chill hours and zone:

Chill and zone requirements are comfortably met in 58727.

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How many chill hours does 58727 get?: 58727 averages 1080 chill hours per winter, ranging from 588 to 1317 across the last 10 years.
What hardiness zone is 58727?: 58727 is in USDA hardiness zone 3b.

Growing fruit trees in 58727? 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