How many chill hours does 37877 get?

37877 averages 1376 chill hours per winter, ranging from 1151 to 1763 across the last 10 years.

What hardiness zone is 37877?

37877 is in USDA hardiness zone 7b.

Location almanac

The short answer

37877 averages 1,376 chill hours per winter (1,151–1,763 across 10 years) in USDA zone 7b.

37877 climate
Average chill hours	1,376 (1,151–1,763 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 17 – April 17
First fall frost	typically November 1 – December 1

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 37877’s chill hours and zone:

Chill and zone requirements are comfortably met in 37877.

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How many chill hours does 37877 get?: 37877 averages 1376 chill hours per winter, ranging from 1151 to 1763 across the last 10 years.
What hardiness zone is 37877?: 37877 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