How many chill hours does 27974 get?

27974 averages 1073 chill hours per winter, ranging from 834 to 1439 across the last 10 years.

What hardiness zone is 27974?

27974 is in USDA hardiness zone 8b.

Location almanac

The short answer

27974 averages 1,073 chill hours per winter (834–1,439 across 10 years) in USDA zone 8b.

27974 climate
Average chill hours	1,073 (834–1,439 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 5 – March 29
First fall frost	typically November 29 – December 19

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 27974’s chill hours and zone:

Chill and zone requirements are comfortably met in 27974.

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How many chill hours does 27974 get?: 27974 averages 1073 chill hours per winter, ranging from 834 to 1439 across the last 10 years.
What hardiness zone is 27974?: 27974 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