How many chill hours does 31756 get?

31756 averages 522 chill hours per winter, ranging from 287 to 649 across the last 10 years.

What hardiness zone is 31756?

31756 is in USDA hardiness zone 9a.

Location almanac

The short answer

31756 averages 522 chill hours per winter (287–649 across 10 years) in USDA zone 9a.

31756 climate
Average chill hours	522 (287–649 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 19 – March 13
First fall frost	typically November 28 – December 23

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 31756’s chill hours and zone:

Chill and zone requirements are comfortably met in 31756.

Show 48 more good fit varieties

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

How many chill hours does 31756 get?: 31756 averages 522 chill hours per winter, ranging from 287 to 649 across the last 10 years.
What hardiness zone is 31756?: 31756 is in USDA hardiness zone 9a.

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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