How many chill hours does 83118 get?

83118 averages 614 chill hours per winter, ranging from 445 to 827 across the last 10 years.

What hardiness zone is 83118?

83118 is in USDA hardiness zone 5b.

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The short answer

83118 averages 614 chill hours per winter (445–827 across 10 years) in USDA zone 5b.

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 83118’s chill hours and zone:

Chill and zone requirements are comfortably met in 83118.

Show 68 more good fit varieties

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

Show 18 more marginal varieties

How many chill hours does 83118 get?: 83118 averages 614 chill hours per winter, ranging from 445 to 827 across the last 10 years.
What hardiness zone is 83118?: 83118 is in USDA hardiness zone 5b.

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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