How many chill hours does 30303 get?

30303 averages 1055 chill hours per winter, ranging from 807 to 1251 across the last 10 years.

What hardiness zone is 30303?

30303 is in USDA hardiness zone 8a.

Location almanac

The short answer

30303 averages 1,055 chill hours per winter (807–1,251 across 10 years) in USDA zone 8a.

30303 climate
Average chill hours	1,055 (807–1,251 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically March 7 – March 29
First fall frost	typically November 14 – December 2

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 30303’s chill hours and zone:

Chill and zone requirements are comfortably met in 30303.

Show 110 more good fit varieties

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

How many chill hours does 30303 get?: 30303 averages 1055 chill hours per winter, ranging from 807 to 1251 across the last 10 years.
What hardiness zone is 30303?: 30303 is in USDA hardiness zone 8a.

Growing fruit trees in 30303? Save your first tree free and see this month’s care tasks for this climate.

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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