How many chill hours does 40068 get?

40068 averages 1470 chill hours per winter, ranging from 1212 to 1831 across the last 10 years.

What hardiness zone is 40068?

40068 is in USDA hardiness zone 6b.

Location almanac

The short answer

40068 averages 1,470 chill hours per winter (1,212–1,831 across 10 years) in USDA zone 6b.

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 40068’s chill hours and zone:

Chill and zone requirements are comfortably met in 40068.

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How many chill hours does 40068 get?: 40068 averages 1470 chill hours per winter, ranging from 1212 to 1831 across the last 10 years.
What hardiness zone is 40068?: 40068 is in USDA hardiness zone 6b.

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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