How many chill hours does 86441 get?

86441 averages 1140 chill hours per winter, ranging from 755 to 1709 across the last 10 years.

What hardiness zone is 86441?

86441 is in USDA hardiness zone 9a.

Location almanac

The short answer

86441 averages 1,140 chill hours per winter (755–1,709 across 10 years) in USDA zone 9a.

86441 climate
Average chill hours	1,140 (755–1,709 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 28 – March 16
First fall frost	typically November 19 – December 22

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 86441’s chill hours and zone:

Chill and zone requirements are comfortably met in 86441.

Show 87 more good fit varieties

How many chill hours does 86441 get?: 86441 averages 1140 chill hours per winter, ranging from 755 to 1709 across the last 10 years.
What hardiness zone is 86441?: 86441 is in USDA hardiness zone 9a.

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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