How many chill hours does 31057 get?

31057 averages 743 chill hours per winter, ranging from 512 to 857 across the last 10 years.

What hardiness zone is 31057?

31057 is in USDA hardiness zone 8b.

Location almanac

The short answer

31057 averages 743 chill hours per winter (512–857 across 10 years) in USDA zone 8b.

31057 climate
Average chill hours	743 (512–857 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 20 – March 16
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 31057’s chill hours and zone:

Chill and zone requirements are comfortably met in 31057.

Show 95 more good fit varieties

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

How many chill hours does 31057 get?: 31057 averages 743 chill hours per winter, ranging from 512 to 857 across the last 10 years.
What hardiness zone is 31057?: 31057 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