How many chill hours does 40330 get?

40330 averages 1396 chill hours per winter, ranging from 1140 to 1696 across the last 10 years.

What hardiness zone is 40330?

40330 is in USDA hardiness zone 7a.

Location almanac

The short answer

40330 averages 1,396 chill hours per winter (1,140–1,696 across 10 years) in USDA zone 7a.

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 40330’s chill hours and zone:

Chill and zone requirements are comfortably met in 40330.

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How many chill hours does 40330 get?: 40330 averages 1396 chill hours per winter, ranging from 1140 to 1696 across the last 10 years.
What hardiness zone is 40330?: 40330 is in USDA hardiness zone 7a.

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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