How many chill hours does 68508 get?

68508 averages 1378 chill hours per winter, ranging from 1136 to 1691 across the last 10 years.

What hardiness zone is 68508?

68508 is in USDA hardiness zone 6a.

Location almanac

The short answer

68508 averages 1,378 chill hours per winter (1,136–1,691 across 10 years) in USDA zone 6a.

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 68508’s chill hours and zone:

Chill and zone requirements are comfortably met in 68508.

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

How many chill hours does 68508 get?: 68508 averages 1378 chill hours per winter, ranging from 1136 to 1691 across the last 10 years.
What hardiness zone is 68508?: 68508 is in USDA hardiness zone 6a.

Growing fruit trees in 68508? Save your first tree free and see this month’s care tasks for this climate.

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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