How many chill hours does 83011 get?

83011 averages 663 chill hours per winter, ranging from 423 to 855 across the last 10 years.

What hardiness zone is 83011?

83011 is in USDA hardiness zone 5a.

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The short answer

83011 averages 663 chill hours per winter (423–855 across 10 years) in USDA zone 5a.

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 83011’s chill hours and zone:

Chill and zone requirements are comfortably met in 83011.

Show 69 more good fit varieties

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

Show 17 more marginal varieties

How many chill hours does 83011 get?: 83011 averages 663 chill hours per winter, ranging from 423 to 855 across the last 10 years.
What hardiness zone is 83011?: 83011 is in USDA hardiness zone 5a.

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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