How many chill hours does 37180 get?

37180 averages 1155 chill hours per winter, ranging from 976 to 1466 across the last 10 years.

What hardiness zone is 37180?

37180 is in USDA hardiness zone 7b.

Location almanac

The short answer

37180 averages 1,155 chill hours per winter (976–1,466 across 10 years) in USDA zone 7b.

37180 climate
Average chill hours	1,155 (976–1,466 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 13 – April 8
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 37180’s chill hours and zone:

Chill and zone requirements are comfortably met in 37180.

Show 131 more good fit varieties

How many chill hours does 37180 get?: 37180 averages 1155 chill hours per winter, ranging from 976 to 1466 across the last 10 years.
What hardiness zone is 37180?: 37180 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