How many chill hours does 30446 get?

30446 averages 644 chill hours per winter, ranging from 442 to 797 across the last 10 years.

What hardiness zone is 30446?

30446 is in USDA hardiness zone 8b.

Location almanac

The short answer

30446 averages 644 chill hours per winter (442–797 across 10 years) in USDA zone 8b.

30446 climate
Average chill hours	644 (442–797 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 28 – March 17
First fall frost	typically November 24 – December 11

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 30446’s chill hours and zone:

Chill and zone requirements are comfortably met in 30446.

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 30446 get?: 30446 averages 644 chill hours per winter, ranging from 442 to 797 across the last 10 years.
What hardiness zone is 30446?: 30446 is in USDA hardiness zone 8b.

Growing fruit trees in 30446? 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