How many chill hours does 17507 get?

17507 averages 1686 chill hours per winter, ranging from 1387 to 1970 across the last 10 years.

What hardiness zone is 17507?

17507 is in USDA hardiness zone 7a.

Location almanac

The short answer

17507 averages 1,686 chill hours per winter (1,387–1,970 across 10 years) in USDA zone 7a.

17507 climate
Average chill hours	1,686 (1,387–1,970 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 30 – April 22
First fall frost	typically November 1 – November 15

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 17507’s chill hours and zone:

Chill and zone requirements are comfortably met in 17507.

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How many chill hours does 17507 get?: 17507 averages 1686 chill hours per winter, ranging from 1387 to 1970 across the last 10 years.
What hardiness zone is 17507?: 17507 is in USDA hardiness zone 7a.

Growing fruit trees in 17507? 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