How many chill hours does 30906 get?

30906 averages 796 chill hours per winter, ranging from 550 to 944 across the last 10 years.

What hardiness zone is 30906?

30906 is in USDA hardiness zone 8b.

Location almanac

The short answer

30906 averages 796 chill hours per winter (550–944 across 10 years) in USDA zone 8b.

30906 climate
Average chill hours	796 (550–944 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 17
First fall frost	typically November 21 – 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 30906’s chill hours and zone:

Chill and zone requirements are comfortably met in 30906.

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 30906 get?: 30906 averages 796 chill hours per winter, ranging from 550 to 944 across the last 10 years.
What hardiness zone is 30906?: 30906 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