How many chill hours does 88231 get?

88231 averages 1058 chill hours per winter, ranging from 877 to 1255 across the last 10 years.

What hardiness zone is 88231?

88231 is in USDA hardiness zone 8a.

Location almanac

The short answer

88231 averages 1,058 chill hours per winter (877–1,255 across 10 years) in USDA zone 8a.

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 88231’s chill hours and zone:

Chill and zone requirements are comfortably met in 88231.

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How many chill hours does 88231 get?: 88231 averages 1058 chill hours per winter, ranging from 877 to 1255 across the last 10 years.
What hardiness zone is 88231?: 88231 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