How many chill hours does 17109 get?

17109 averages 1729 chill hours per winter, ranging from 1405 to 2003 across the last 10 years.

What hardiness zone is 17109?

17109 is in USDA hardiness zone 7a.

Location almanac

The short answer

17109 averages 1,729 chill hours per winter (1,405–2,003 across 10 years) in USDA zone 7a.

17109 climate
Average chill hours	1,729 (1,405–2,003 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 26 – April 22
First fall frost	typically November 8 – 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 17109’s chill hours and zone:

Chill and zone requirements are comfortably met in 17109.

Show 131 more good fit varieties

How many chill hours does 17109 get?: 17109 averages 1729 chill hours per winter, ranging from 1405 to 2003 across the last 10 years.
What hardiness zone is 17109?: 17109 is in USDA hardiness zone 7a.

Growing fruit trees in 17109? 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