How many chill hours does 99714 get?

99714 averages 730 chill hours per winter, ranging from 492 to 1128 across the last 10 years.

What hardiness zone is 99714?

99714 is in USDA hardiness zone 3b.

Location almanac

The short answer

99714 averages 730 chill hours per winter (492–1,128 across 10 years) in USDA zone 3b.

99714 climate
Average chill hours	730 (492–1,128 across 10 winters)
USDA hardiness zone	3b
Last spring frost	typically May 6 – May 28
First fall frost	typically September 19 – September 28

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 99714’s chill hours and zone:

Chill and zone requirements are comfortably met in 99714.

Show 21 more good fit varieties

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

How many chill hours does 99714 get?: 99714 averages 730 chill hours per winter, ranging from 492 to 1128 across the last 10 years.
What hardiness zone is 99714?: 99714 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