How many chill hours does 73666 get?

73666 averages 1304 chill hours per winter, ranging from 1108 to 1654 across the last 10 years.

What hardiness zone is 73666?

73666 is in USDA hardiness zone 7b.

Location almanac

The short answer

73666 averages 1,304 chill hours per winter (1,108–1,654 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 73666’s chill hours and zone:

Chill and zone requirements are comfortably met in 73666.

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How many chill hours does 73666 get?: 73666 averages 1304 chill hours per winter, ranging from 1108 to 1654 across the last 10 years.
What hardiness zone is 73666?: 73666 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