How many chill hours does 98256 get?

98256 averages 1355 chill hours per winter, ranging from 753 to 1687 across the last 10 years.

What hardiness zone is 98256?

98256 is in USDA hardiness zone 8a.

Location almanac

The short answer

98256 averages 1,355 chill hours per winter (753–1,687 across 10 years) in USDA zone 8a.

98256 climate
Average chill hours	1,355 (753–1,687 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically May 15 – June 18
First fall frost	typically September 20 – October 16

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 98256’s chill hours and zone:

Chill and zone requirements are comfortably met in 98256.

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How many chill hours does 98256 get?: 98256 averages 1355 chill hours per winter, ranging from 753 to 1687 across the last 10 years.
What hardiness zone is 98256?: 98256 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