How many chill hours does 74403 get?

74403 averages 1197 chill hours per winter, ranging from 945 to 1490 across the last 10 years.

What hardiness zone is 74403?

74403 is in USDA hardiness zone 7b.

Location almanac

The short answer

74403 averages 1,197 chill hours per winter (945–1,490 across 10 years) in USDA zone 7b.

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 74403’s chill hours and zone:

Chill and zone requirements are comfortably met in 74403.

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How many chill hours does 74403 get?: 74403 averages 1197 chill hours per winter, ranging from 945 to 1490 across the last 10 years.
What hardiness zone is 74403?: 74403 is in USDA hardiness zone 7b.

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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