How many chill hours does 99583 get?

99583 averages 2834 chill hours per winter, ranging from 2133 to 3403 across the last 10 years.

What hardiness zone is 99583?

99583 is in USDA hardiness zone 7a.

Location almanac

The short answer

99583 averages 2,834 chill hours per winter (2,133–3,403 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 99583’s chill hours and zone:

Chill and zone requirements are comfortably met in 99583.

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How many chill hours does 99583 get?: 99583 averages 2834 chill hours per winter, ranging from 2133 to 3403 across the last 10 years.
What hardiness zone is 99583?: 99583 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