How many chill hours does 31019 get?

31019 averages 671 chill hours per winter, ranging from 411 to 785 across the last 10 years.

What hardiness zone is 31019?

31019 is in USDA hardiness zone 8b.

Location almanac

The short answer

31019 averages 671 chill hours per winter (411–785 across 10 years) in USDA zone 8b.

31019 climate
Average chill hours	671 (411–785 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 31 – March 16
First fall frost	typically November 28 – December 11

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 31019’s chill hours and zone:

Chill and zone requirements are comfortably met in 31019.

Show 79 more good fit varieties

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

How many chill hours does 31019 get?: 31019 averages 671 chill hours per winter, ranging from 411 to 785 across the last 10 years.
What hardiness zone is 31019?: 31019 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