How many chill hours does 72017 get?

72017 averages 1078 chill hours per winter, ranging from 862 to 1387 across the last 10 years.

What hardiness zone is 72017?

72017 is in USDA hardiness zone 8a.

Location almanac

The short answer

72017 averages 1,078 chill hours per winter (862–1,387 across 10 years) in USDA zone 8a.

72017 climate
Average chill hours	1,078 (862–1,387 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 26 – March 20
First fall frost	typically November 1 – December 2

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 72017’s chill hours and zone:

Chill and zone requirements are comfortably met in 72017.

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How many chill hours does 72017 get?: 72017 averages 1078 chill hours per winter, ranging from 862 to 1387 across the last 10 years.
What hardiness zone is 72017?: 72017 is in USDA hardiness zone 8a.

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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