How many chill hours does 99749 get?

99749 averages 678 chill hours per winter, ranging from 421 to 843 across the last 10 years.

What hardiness zone is 99749?

99749 is in USDA hardiness zone 2a.

Location almanac

The short answer

99749 averages 678 chill hours per winter (421–843 across 10 years) in USDA zone 2a.

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 99749’s chill hours and zone:

Chill and zone requirements are comfortably met in 99749.

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 99749 get?: 99749 averages 678 chill hours per winter, ranging from 421 to 843 across the last 10 years.
What hardiness zone is 99749?: 99749 is in USDA hardiness zone 2a.

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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