How many chill hours does 30451 get?

30451 averages 596 chill hours per winter, ranging from 381 to 718 across the last 10 years.

What hardiness zone is 30451?

30451 is in USDA hardiness zone 8b.

Location almanac

The short answer

30451 averages 596 chill hours per winter (381–718 across 10 years) in USDA zone 8b.

30451 climate
Average chill hours	596 (381–718 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 19 – March 13
First fall frost	typically November 28 – 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 30451’s chill hours and zone:

Chill and zone requirements are comfortably met in 30451.

Show 71 more good fit varieties

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

How many chill hours does 30451 get?: 30451 averages 596 chill hours per winter, ranging from 381 to 718 across the last 10 years.
What hardiness zone is 30451?: 30451 is in USDA hardiness zone 8b.

Growing fruit trees in 30451? Get a care calendar anchored to this exact climate, with email reminders.

[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