How many chill hours does 98581 get?

98581 averages 2678 chill hours per winter, ranging from 2198 to 3083 across the last 10 years.

What hardiness zone is 98581?

98581 is in USDA hardiness zone 8b.

Location almanac

The short answer

98581 averages 2,678 chill hours per winter (2,198–3,083 across 10 years) in USDA zone 8b.

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 98581’s chill hours and zone:

Chill and zone requirements are comfortably met in 98581.

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How many chill hours does 98581 get?: 98581 averages 2678 chill hours per winter, ranging from 2198 to 3083 across the last 10 years.
What hardiness zone is 98581?: 98581 is in USDA hardiness zone 8b.

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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