How many chill hours does 89315 get?

89315 averages 1397 chill hours per winter, ranging from 714 to 2001 across the last 10 years.

What hardiness zone is 89315?

89315 is in USDA hardiness zone 5a.

Location almanac

The short answer

89315 averages 1,397 chill hours per winter (714–2,001 across 10 years) in USDA zone 5a.

89315 climate
Average chill hours	1,397 (714–2,001 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically April 30 – May 27
First fall frost	typically September 30 – 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 89315’s chill hours and zone:

Chill and zone requirements are comfortably met in 89315.

Show 122 more good fit varieties

How many chill hours does 89315 get?: 89315 averages 1397 chill hours per winter, ranging from 714 to 2001 across the last 10 years.
What hardiness zone is 89315?: 89315 is in USDA hardiness zone 5a.

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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