How many chill hours does 31090 get?

31090 averages 766 chill hours per winter, ranging from 514 to 909 across the last 10 years.

What hardiness zone is 31090?

31090 is in USDA hardiness zone 8b.

Location almanac

The short answer

31090 averages 766 chill hours per winter (514–909 across 10 years) in USDA zone 8b.

31090 climate
Average chill hours	766 (514–909 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 14 – March 16
First fall frost	typically November 18 – 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 31090’s chill hours and zone:

Chill and zone requirements are comfortably met in 31090.

Show 103 more good fit varieties

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

How many chill hours does 31090 get?: 31090 averages 766 chill hours per winter, ranging from 514 to 909 across the last 10 years.
What hardiness zone is 31090?: 31090 is in USDA hardiness zone 8b.

Growing fruit trees in 31090? Get a care calendar anchored to this exact climate, with email reminders.

[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