How many chill hours does 30555 get?

30555 averages 1296 chill hours per winter, ranging from 1040 to 1554 across the last 10 years.

What hardiness zone is 30555?

30555 is in USDA hardiness zone 7b.

Location almanac

The short answer

30555 averages 1,296 chill hours per winter (1,040–1,554 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 30555’s chill hours and zone:

Chill and zone requirements are comfortably met in 30555.

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How many chill hours does 30555 get?: 30555 averages 1296 chill hours per winter, ranging from 1040 to 1554 across the last 10 years.
What hardiness zone is 30555?: 30555 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