How many chill hours does 99648 get?

99648 averages 2839 chill hours per winter, ranging from 2082 to 3511 across the last 10 years.

What hardiness zone is 99648?

99648 is in USDA hardiness zone 6b.

Location almanac

The short answer

99648 averages 2,839 chill hours per winter (2,082–3,511 across 10 years) in USDA zone 6b.

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 99648’s chill hours and zone:

Chill and zone requirements are comfortably met in 99648.

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How many chill hours does 99648 get?: 99648 averages 2839 chill hours per winter, ranging from 2082 to 3511 across the last 10 years.
What hardiness zone is 99648?: 99648 is in USDA hardiness zone 6b.

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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