How many chill hours does 72645 get?

72645 averages 1329 chill hours per winter, ranging from 1157 to 1629 across the last 10 years.

What hardiness zone is 72645?

72645 is in USDA hardiness zone 7b.

Location almanac

The short answer

72645 averages 1,329 chill hours per winter (1,157–1,629 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 72645’s chill hours and zone:

Chill and zone requirements are comfortably met in 72645.

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How many chill hours does 72645 get?: 72645 averages 1329 chill hours per winter, ranging from 1157 to 1629 across the last 10 years.
What hardiness zone is 72645?: 72645 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