How many chill hours does 89402 get?

89402 averages 2260 chill hours per winter, ranging from 1863 to 2508 across the last 10 years.

What hardiness zone is 89402?

89402 is in USDA hardiness zone 7a.

Location almanac

The short answer

89402 averages 2,260 chill hours per winter (1,863–2,508 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 89402’s chill hours and zone:

Chill and zone requirements are comfortably met in 89402.

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How many chill hours does 89402 get?: 89402 averages 2260 chill hours per winter, ranging from 1863 to 2508 across the last 10 years.
What hardiness zone is 89402?: 89402 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