How many chill hours does 14456 get?

14456 averages 1669 chill hours per winter, ranging from 1395 to 1894 across the last 10 years.

What hardiness zone is 14456?

14456 is in USDA hardiness zone 6b.

Location almanac

The short answer

14456 averages 1,669 chill hours per winter (1,395–1,894 across 10 years) in USDA zone 6b.

14456 climate
Average chill hours	1,669 (1,395–1,894 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 23 – May 10
First fall frost	typically November 4 – November 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 14456’s chill hours and zone:

Chill and zone requirements are comfortably met in 14456.

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Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 14456 get?: 14456 averages 1669 chill hours per winter, ranging from 1395 to 1894 across the last 10 years.
What hardiness zone is 14456?: 14456 is in USDA hardiness zone 6b.

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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