How many chill hours does 73456 get?

73456 averages 1032 chill hours per winter, ranging from 763 to 1289 across the last 10 years.

What hardiness zone is 73456?

73456 is in USDA hardiness zone 8a.

Location almanac

The short answer

73456 averages 1,032 chill hours per winter (763–1,289 across 10 years) in USDA zone 8a.

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 73456’s chill hours and zone:

Chill and zone requirements are comfortably met in 73456.

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How many chill hours does 73456 get?: 73456 averages 1032 chill hours per winter, ranging from 763 to 1289 across the last 10 years.
What hardiness zone is 73456?: 73456 is in USDA hardiness zone 8a.

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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