How many chill hours does 73537 get?

73537 averages 1069 chill hours per winter, ranging from 865 to 1397 across the last 10 years.

What hardiness zone is 73537?

73537 is in USDA hardiness zone 7b.

Location almanac

The short answer

73537 averages 1,069 chill hours per winter (865–1,397 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 73537’s chill hours and zone:

Chill and zone requirements are comfortably met in 73537.

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How many chill hours does 73537 get?: 73537 averages 1069 chill hours per winter, ranging from 865 to 1397 across the last 10 years.
What hardiness zone is 73537?: 73537 is in USDA hardiness zone 7b.

Growing fruit trees in 73537? Get a care calendar anchored to this exact climate, with email reminders.

[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