How many chill hours does 43773 get?

43773 averages 1520 chill hours per winter, ranging from 1286 to 1824 across the last 10 years.

What hardiness zone is 43773?

43773 is in USDA hardiness zone 6b.

Location almanac

The short answer

43773 averages 1,520 chill hours per winter (1,286–1,824 across 10 years) in USDA zone 6b.

43773 climate
Average chill hours	1,520 (1,286–1,824 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 8 – April 29
First fall frost	typically November 1 – November 22

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 43773’s chill hours and zone:

Chill and zone requirements are comfortably met in 43773.

Show 126 more good fit varieties

How many chill hours does 43773 get?: 43773 averages 1520 chill hours per winter, ranging from 1286 to 1824 across the last 10 years.
What hardiness zone is 43773?: 43773 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