How many chill hours does 45640 get?

45640 averages 1485 chill hours per winter, ranging from 1211 to 1778 across the last 10 years.

What hardiness zone is 45640?

45640 is in USDA hardiness zone 6b.

Location almanac

The short answer

45640 averages 1,485 chill hours per winter (1,211–1,778 across 10 years) in USDA zone 6b.

45640 climate
Average chill hours	1,485 (1,211–1,778 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically April 2 – April 25
First fall frost	typically November 1 – 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 45640’s chill hours and zone:

Chill and zone requirements are comfortably met in 45640.

Show 126 more good fit varieties

How many chill hours does 45640 get?: 45640 averages 1485 chill hours per winter, ranging from 1211 to 1778 across the last 10 years.
What hardiness zone is 45640?: 45640 is in USDA hardiness zone 6b.

Growing fruit trees in 45640? Get a care calendar anchored to this exact climate, with email reminders.

[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