How many chill hours does 40228 get?

40228 averages 1426 chill hours per winter, ranging from 1168 to 1728 across the last 10 years.

What hardiness zone is 40228?

40228 is in USDA hardiness zone 7a.

Location almanac

The short answer

40228 averages 1,426 chill hours per winter (1,168–1,728 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 40228’s chill hours and zone:

Chill and zone requirements are comfortably met in 40228.

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How many chill hours does 40228 get?: 40228 averages 1426 chill hours per winter, ranging from 1168 to 1728 across the last 10 years.
What hardiness zone is 40228?: 40228 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