How many chill hours does 83012 get?

83012 averages 558 chill hours per winter, ranging from 272 to 691 across the last 10 years.

What hardiness zone is 83012?

83012 is in USDA hardiness zone 4a.

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The short answer

83012 averages 558 chill hours per winter (272–691 across 10 years) in USDA zone 4a.

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 83012’s chill hours and zone:

Chill and zone requirements are comfortably met in 83012.

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Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 83012 get?: 83012 averages 558 chill hours per winter, ranging from 272 to 691 across the last 10 years.
What hardiness zone is 83012?: 83012 is in USDA hardiness zone 4a.

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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