How many chill hours does 40505 get?

40505 averages 1451 chill hours per winter, ranging from 1184 to 1788 across the last 10 years.

What hardiness zone is 40505?

40505 is in USDA hardiness zone 7a.

Location almanac

The short answer

40505 averages 1,451 chill hours per winter (1,184–1,788 across 10 years) in USDA zone 7a.

40505 climate
Average chill hours	1,451 (1,184–1,788 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 29 – April 22
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 40505’s chill hours and zone:

Chill and zone requirements are comfortably met in 40505.

Show 131 more good fit varieties

How many chill hours does 40505 get?: 40505 averages 1451 chill hours per winter, ranging from 1184 to 1788 across the last 10 years.
What hardiness zone is 40505?: 40505 is in USDA hardiness zone 7a.

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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