How many chill hours does 99759 get?

99759 averages 719 chill hours per winter, ranging from 438 to 912 across the last 10 years.

What hardiness zone is 99759?

99759 is in USDA hardiness zone 2b.

Location almanac

The short answer

99759 averages 719 chill hours per winter (438–912 across 10 years) in USDA zone 2b.

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 99759’s chill hours and zone:

Chill and zone requirements are comfortably met in 99759.

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Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 99759 get?: 99759 averages 719 chill hours per winter, ranging from 438 to 912 across the last 10 years.
What hardiness zone is 99759?: 99759 is in USDA hardiness zone 2b.

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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