How many chill hours does 59728 get?

59728 averages 1300 chill hours per winter, ranging from 769 to 1682 across the last 10 years.

What hardiness zone is 59728?

59728 is in USDA hardiness zone 4b.

Location almanac

The short answer

59728 averages 1,300 chill hours per winter (769–1,682 across 10 years) in USDA zone 4b.

59728 climate
Average chill hours	1,300 (769–1,682 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 19 – June 18
First fall frost	typically September 13 – October 19

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 59728’s chill hours and zone:

Chill and zone requirements are comfortably met in 59728.

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How many chill hours does 59728 get?: 59728 averages 1300 chill hours per winter, ranging from 769 to 1682 across the last 10 years.
What hardiness zone is 59728?: 59728 is in USDA hardiness zone 4b.

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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