How many chill hours does 23607 get?

23607 averages 1344 chill hours per winter, ranging from 982 to 1711 across the last 10 years.

What hardiness zone is 23607?

23607 is in USDA hardiness zone 8b.

Location almanac

The short answer

23607 averages 1,344 chill hours per winter (982–1,711 across 10 years) in USDA zone 8b.

23607 climate
Average chill hours	1,344 (982–1,711 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically March 2 – March 29
First fall frost	typically November 23 – December 13

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 23607’s chill hours and zone:

Chill and zone requirements are comfortably met in 23607.

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How many chill hours does 23607 get?: 23607 averages 1344 chill hours per winter, ranging from 982 to 1711 across the last 10 years.
What hardiness zone is 23607?: 23607 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