How many chill hours does 30557 get?

30557 averages 1136 chill hours per winter, ranging from 898 to 1328 across the last 10 years.

What hardiness zone is 30557?

30557 is in USDA hardiness zone 8b.

Location almanac

The short answer

30557 averages 1,136 chill hours per winter (898–1,328 across 10 years) in USDA zone 8b.

30557 climate
Average chill hours	1,136 (898–1,328 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 27 – March 20
First fall frost	typically November 16 – 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 30557’s chill hours and zone:

Chill and zone requirements are comfortably met in 30557.

Show 129 more good fit varieties

How many chill hours does 30557 get?: 30557 averages 1136 chill hours per winter, ranging from 898 to 1328 across the last 10 years.
What hardiness zone is 30557?: 30557 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