How many chill hours does 99752 get?

99752 averages 684 chill hours per winter, ranging from 411 to 908 across the last 10 years.

What hardiness zone is 99752?

99752 is in USDA hardiness zone 2b.

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The short answer

99752 averages 684 chill hours per winter (411–908 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 99752’s chill hours and zone:

Chill and zone requirements are comfortably met in 99752.

Show 6 more good fit varieties

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

How many chill hours does 99752 get?: 99752 averages 684 chill hours per winter, ranging from 411 to 908 across the last 10 years.
What hardiness zone is 99752?: 99752 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