How many chill hours does 37811 get?

37811 averages 1386 chill hours per winter, ranging from 1167 to 1759 across the last 10 years.

What hardiness zone is 37811?

37811 is in USDA hardiness zone 7b.

Location almanac

The short answer

37811 averages 1,386 chill hours per winter (1,167–1,759 across 10 years) in USDA zone 7b.

37811 climate
Average chill hours	1,386 (1,167–1,759 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 20 – April 17
First fall frost	typically November 1 – November 22

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 37811’s chill hours and zone:

Chill and zone requirements are comfortably met in 37811.

Show 131 more good fit varieties

How many chill hours does 37811 get?: 37811 averages 1386 chill hours per winter, ranging from 1167 to 1759 across the last 10 years.
What hardiness zone is 37811?: 37811 is in USDA hardiness zone 7b.

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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