How many chill hours does 72903 get?

72903 averages 1205 chill hours per winter, ranging from 988 to 1516 across the last 10 years.

What hardiness zone is 72903?

72903 is in USDA hardiness zone 8a.

Location almanac

The short answer

72903 averages 1,205 chill hours per winter (988–1,516 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 72903’s chill hours and zone:

Chill and zone requirements are comfortably met in 72903.

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How many chill hours does 72903 get?: 72903 averages 1205 chill hours per winter, ranging from 988 to 1516 across the last 10 years.
What hardiness zone is 72903?: 72903 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