How many chill hours does 30445 get?

30445 averages 618 chill hours per winter, ranging from 358 to 740 across the last 10 years.

What hardiness zone is 30445?

30445 is in USDA hardiness zone 8b.

Location almanac

The short answer

30445 averages 618 chill hours per winter (358–740 across 10 years) in USDA zone 8b.

30445 climate
Average chill hours	618 (358–740 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 31 – March 16
First fall frost	typically November 28 – December 19

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 30445’s chill hours and zone:

Chill and zone requirements are comfortably met in 30445.

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 30445 get?: 30445 averages 618 chill hours per winter, ranging from 358 to 740 across the last 10 years.
What hardiness zone is 30445?: 30445 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