How many chill hours does 89511 get?

89511 averages 1485 chill hours per winter, ranging from 942 to 1831 across the last 10 years.

What hardiness zone is 89511?

89511 is in USDA hardiness zone 6b.

Location almanac

The short answer

89511 averages 1,485 chill hours per winter (942–1,831 across 10 years) in USDA zone 6b.

89511 climate
Average chill hours	1,485 (942–1,831 across 10 winters)
USDA hardiness zone	6b
Last spring frost	typically May 22 – June 20
First fall frost	typically September 21 – October 24

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 89511’s chill hours and zone:

Chill and zone requirements are comfortably met in 89511.

Show 126 more good fit varieties

How many chill hours does 89511 get?: 89511 averages 1485 chill hours per winter, ranging from 942 to 1831 across the last 10 years.
What hardiness zone is 89511?: 89511 is in USDA hardiness zone 6b.

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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