How many chill hours does 38021 get?

38021 averages 1177 chill hours per winter, ranging from 989 to 1444 across the last 10 years.

What hardiness zone is 38021?

38021 is in USDA hardiness zone 7b.

Location almanac

The short answer

38021 averages 1,177 chill hours per winter (989–1,444 across 10 years) in USDA zone 7b.

38021 climate
Average chill hours	1,177 (989–1,444 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 8 – April 2
First fall frost	typically November 1 – November 30

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 38021’s chill hours and zone:

Chill and zone requirements are comfortably met in 38021.

Show 131 more good fit varieties

How many chill hours does 38021 get?: 38021 averages 1177 chill hours per winter, ranging from 989 to 1444 across the last 10 years.
What hardiness zone is 38021?: 38021 is in USDA hardiness zone 7b.

Growing fruit trees in 38021? 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