How many chill hours does 12456 get?

12456 averages 1739 chill hours per winter, ranging from 1477 to 1996 across the last 10 years.

What hardiness zone is 12456?

12456 is in USDA hardiness zone 6a.

Location almanac

The short answer

12456 averages 1,739 chill hours per winter (1,477–1,996 across 10 years) in USDA zone 6a.

12456 climate
Average chill hours	1,739 (1,477–1,996 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically April 6 – April 23
First fall frost	typically November 1 – November 15

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 12456’s chill hours and zone:

Chill and zone requirements are comfortably met in 12456.

Show 126 more good fit varieties

How many chill hours does 12456 get?: 12456 averages 1739 chill hours per winter, ranging from 1477 to 1996 across the last 10 years.
What hardiness zone is 12456?: 12456 is in USDA hardiness zone 6a.

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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