How many chill hours does 30470 get?

30470 averages 634 chill hours per winter, ranging from 387 to 776 across the last 10 years.

What hardiness zone is 30470?

30470 is in USDA hardiness zone 8b.

Location almanac

The short answer

30470 averages 634 chill hours per winter (387–776 across 10 years) in USDA zone 8b.

30470 climate
Average chill hours	634 (387–776 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 31 – March 16
First fall frost	typically November 28 – December 11

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 30470’s chill hours and zone:

Chill and zone requirements are comfortably met in 30470.

Show 78 more good fit varieties

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

How many chill hours does 30470 get?: 30470 averages 634 chill hours per winter, ranging from 387 to 776 across the last 10 years.
What hardiness zone is 30470?: 30470 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