How many chill hours does 17309 get?

17309 averages 1690 chill hours per winter, ranging from 1351 to 1972 across the last 10 years.

What hardiness zone is 17309?

17309 is in USDA hardiness zone 7a.

Location almanac

The short answer

17309 averages 1,690 chill hours per winter (1,351–1,972 across 10 years) in USDA zone 7a.

17309 climate
Average chill hours	1,690 (1,351–1,972 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 26 – April 22
First fall frost	typically November 6 – November 19

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 17309’s chill hours and zone:

Chill and zone requirements are comfortably met in 17309.

Show 131 more good fit varieties

How many chill hours does 17309 get?: 17309 averages 1690 chill hours per winter, ranging from 1351 to 1972 across the last 10 years.
What hardiness zone is 17309?: 17309 is in USDA hardiness zone 7a.

Growing fruit trees in 17309? 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