How many chill hours does 86321 get?

86321 averages 1072 chill hours per winter, ranging from 651 to 1576 across the last 10 years.

What hardiness zone is 86321?

86321 is in USDA hardiness zone 9a.

Location almanac

The short answer

86321 averages 1,072 chill hours per winter (651–1,576 across 10 years) in USDA zone 9a.

86321 climate
Average chill hours	1,072 (651–1,576 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 5 – April 5
First fall frost	typically November 11 – 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 86321’s chill hours and zone:

Chill and zone requirements are comfortably met in 86321.

Show 87 more good fit varieties

How many chill hours does 86321 get?: 86321 averages 1072 chill hours per winter, ranging from 651 to 1576 across the last 10 years.
What hardiness zone is 86321?: 86321 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