How many chill hours does 98821 get?

98821 averages 1981 chill hours per winter, ranging from 1608 to 2422 across the last 10 years.

What hardiness zone is 98821?

98821 is in USDA hardiness zone 7a.

Location almanac

The short answer

98821 averages 1,981 chill hours per winter (1,608–2,422 across 10 years) in USDA zone 7a.

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 98821’s chill hours and zone:

Chill and zone requirements are comfortably met in 98821.

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How many chill hours does 98821 get?: 98821 averages 1981 chill hours per winter, ranging from 1608 to 2422 across the last 10 years.
What hardiness zone is 98821?: 98821 is in USDA hardiness zone 7a.

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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