How many chill hours does 99694 get?

99694 averages 1122 chill hours per winter, ranging from 660 to 1432 across the last 10 years.

What hardiness zone is 99694?

99694 is in USDA hardiness zone 4a.

Location almanac

The short answer

99694 averages 1,122 chill hours per winter (660–1,432 across 10 years) in USDA zone 4a.

99694 climate
Average chill hours	1,122 (660–1,432 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 1 – May 13
First fall frost	typically September 22 – October 14

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 99694’s chill hours and zone:

Chill and zone requirements are comfortably met in 99694.

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How many chill hours does 99694 get?: 99694 averages 1122 chill hours per winter, ranging from 660 to 1432 across the last 10 years.
What hardiness zone is 99694?: 99694 is in USDA hardiness zone 4a.

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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