How many chill hours does 99684 get?

99684 averages 696 chill hours per winter, ranging from 471 to 982 across the last 10 years.

What hardiness zone is 99684?

99684 is in USDA hardiness zone 3b.

Location almanac

The short answer

99684 averages 696 chill hours per winter (471–982 across 10 years) in USDA zone 3b.

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 99684’s chill hours and zone:

Chill and zone requirements are comfortably met in 99684.

Show 16 more good fit varieties

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

How many chill hours does 99684 get?: 99684 averages 696 chill hours per winter, ranging from 471 to 982 across the last 10 years.
What hardiness zone is 99684?: 99684 is in USDA hardiness zone 3b.

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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