How many chill hours does 73747 get?

73747 averages 1263 chill hours per winter, ranging from 1018 to 1616 across the last 10 years.

What hardiness zone is 73747?

73747 is in USDA hardiness zone 7a.

Location almanac

The short answer

73747 averages 1,263 chill hours per winter (1,018–1,616 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 73747’s chill hours and zone:

Chill and zone requirements are comfortably met in 73747.

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How many chill hours does 73747 get?: 73747 averages 1263 chill hours per winter, ranging from 1018 to 1616 across the last 10 years.
What hardiness zone is 73747?: 73747 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