How many chill hours does 30456 get?

30456 averages 722 chill hours per winter, ranging from 475 to 852 across the last 10 years.

What hardiness zone is 30456?

30456 is in USDA hardiness zone 8b.

Location almanac

The short answer

30456 averages 722 chill hours per winter (475–852 across 10 years) in USDA zone 8b.

30456 climate
Average chill hours	722 (475–852 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 28 – March 13
First fall frost	typically November 18 – 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 30456’s chill hours and zone:

Chill and zone requirements are comfortably met in 30456.

Show 95 more good fit varieties

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

How many chill hours does 30456 get?: 30456 averages 722 chill hours per winter, ranging from 475 to 852 across the last 10 years.
What hardiness zone is 30456?: 30456 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