How many chill hours does 68340 get?

68340 averages 1405 chill hours per winter, ranging from 1192 to 1645 across the last 10 years.

What hardiness zone is 68340?

68340 is in USDA hardiness zone 6a.

Location almanac

The short answer

68340 averages 1,405 chill hours per winter (1,192–1,645 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 68340’s chill hours and zone:

Chill and zone requirements are comfortably met in 68340.

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How many chill hours does 68340 get?: 68340 averages 1405 chill hours per winter, ranging from 1192 to 1645 across the last 10 years.
What hardiness zone is 68340?: 68340 is in USDA hardiness zone 6a.

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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