How many chill hours does 72421 get?

72421 averages 1192 chill hours per winter, ranging from 984 to 1537 across the last 10 years.

What hardiness zone is 72421?

72421 is in USDA hardiness zone 8a.

Location almanac

The short answer

72421 averages 1,192 chill hours per winter (984–1,537 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 72421’s chill hours and zone:

Chill and zone requirements are comfortably met in 72421.

Show 129 more good fit varieties

How many chill hours does 72421 get?: 72421 averages 1192 chill hours per winter, ranging from 984 to 1537 across the last 10 years.
What hardiness zone is 72421?: 72421 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