How many chill hours does 20191 get?

20191 averages 1582 chill hours per winter, ranging from 1312 to 1826 across the last 10 years.

What hardiness zone is 20191?

20191 is in USDA hardiness zone 7b.

Location almanac

The short answer

20191 averages 1,582 chill hours per winter (1,312–1,826 across 10 years) in USDA zone 7b.

20191 climate
Average chill hours	1,582 (1,312–1,826 across 10 winters)
USDA hardiness zone	7b
Last spring frost	typically March 26 – April 18
First fall frost	typically November 9 – November 23

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 20191’s chill hours and zone:

Chill and zone requirements are comfortably met in 20191.

Show 131 more good fit varieties

How many chill hours does 20191 get?: 20191 averages 1582 chill hours per winter, ranging from 1312 to 1826 across the last 10 years.
What hardiness zone is 20191?: 20191 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