How many chill hours does 28422 get?

28422 averages 779 chill hours per winter, ranging from 548 to 981 across the last 10 years.

What hardiness zone is 28422?

28422 is in USDA hardiness zone 8b.

Location almanac

The short answer

28422 averages 779 chill hours per winter (548–981 across 10 years) in USDA zone 8b.

28422 climate
Average chill hours	779 (548–981 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 17
First fall frost	typically November 19 – December 10

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 28422’s chill hours and zone:

Chill and zone requirements are comfortably met in 28422.

Show 103 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 28422 get?: 28422 averages 779 chill hours per winter, ranging from 548 to 981 across the last 10 years.
What hardiness zone is 28422?: 28422 is in USDA hardiness zone 8b.

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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