How many chill hours does 30905 get?

30905 averages 822 chill hours per winter, ranging from 599 to 955 across the last 10 years.

What hardiness zone is 30905?

30905 is in USDA hardiness zone 8b.

Location almanac

The short answer

30905 averages 822 chill hours per winter (599–955 across 10 years) in USDA zone 8b.

30905 climate
Average chill hours	822 (599–955 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 16
First fall frost	typically November 24 – 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 30905’s chill hours and zone:

Chill and zone requirements are comfortably met in 30905.

Show 123 more good fit varieties

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

How many chill hours does 30905 get?: 30905 averages 822 chill hours per winter, ranging from 599 to 955 across the last 10 years.
What hardiness zone is 30905?: 30905 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