How many chill hours does 30815 get?

30815 averages 791 chill hours per winter, ranging from 552 to 926 across the last 10 years.

What hardiness zone is 30815?

30815 is in USDA hardiness zone 8b.

Location almanac

The short answer

30815 averages 791 chill hours per winter (552–926 across 10 years) in USDA zone 8b.

30815 climate
Average chill hours	791 (552–926 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 15
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 30815’s chill hours and zone:

Chill and zone requirements are comfortably met in 30815.

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 30815 get?: 30815 averages 791 chill hours per winter, ranging from 552 to 926 across the last 10 years.
What hardiness zone is 30815?: 30815 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