How many chill hours does 19946 get?

19946 averages 1566 chill hours per winter, ranging from 1181 to 1816 across the last 10 years.

What hardiness zone is 19946?

19946 is in USDA hardiness zone 7b.

Location almanac

The short answer

19946 averages 1,566 chill hours per winter (1,181–1,816 across 10 years) in USDA zone 7b.

19946 climate
Average chill hours	1,566 (1,181–1,816 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 9 – April 1
First fall frost	typically November 11 – 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 19946’s chill hours and zone:

Chill and zone requirements are comfortably met in 19946.

Show 131 more good fit varieties

How many chill hours does 19946 get?: 19946 averages 1566 chill hours per winter, ranging from 1181 to 1816 across the last 10 years.
What hardiness zone is 19946?: 19946 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