How many chill hours does 56721 get?

56721 averages 984 chill hours per winter, ranging from 645 to 1300 across the last 10 years.

What hardiness zone is 56721?

56721 is in USDA hardiness zone 4a.

Location almanac

The short answer

56721 averages 984 chill hours per winter (645–1,300 across 10 years) in USDA zone 4a.

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 56721’s chill hours and zone:

Chill and zone requirements are comfortably met in 56721.

Show 89 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Reliance	Peach

How many chill hours does 56721 get?: 56721 averages 984 chill hours per winter, ranging from 645 to 1300 across the last 10 years.
What hardiness zone is 56721?: 56721 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