How many chill hours does 73015 get?

73015 averages 1155 chill hours per winter, ranging from 911 to 1490 across the last 10 years.

What hardiness zone is 73015?

73015 is in USDA hardiness zone 7b.

Location almanac

The short answer

73015 averages 1,155 chill hours per winter (911–1,490 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 73015’s chill hours and zone:

Chill and zone requirements are comfortably met in 73015.

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How many chill hours does 73015 get?: 73015 averages 1155 chill hours per winter, ranging from 911 to 1490 across the last 10 years.
What hardiness zone is 73015?: 73015 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