How many chill hours does 30539 get?

30539 averages 1225 chill hours per winter, ranging from 935 to 1457 across the last 10 years.

What hardiness zone is 30539?

30539 is in USDA hardiness zone 7b.

Location almanac

The short answer

30539 averages 1,225 chill hours per winter (935–1,457 across 10 years) in USDA zone 7b.

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 30539’s chill hours and zone:

Chill and zone requirements are comfortably met in 30539.

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How many chill hours does 30539 get?: 30539 averages 1225 chill hours per winter, ranging from 935 to 1457 across the last 10 years.
What hardiness zone is 30539?: 30539 is in USDA hardiness zone 7b.

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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