How many chill hours does 59733 get?

59733 averages 1428 chill hours per winter, ranging from 857 to 1710 across the last 10 years.

What hardiness zone is 59733?

59733 is in USDA hardiness zone 4b.

Location almanac

The short answer

59733 averages 1,428 chill hours per winter (857–1,710 across 10 years) in USDA zone 4b.

59733 climate
Average chill hours	1,428 (857–1,710 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 1 – May 23
First fall frost	typically September 17 – October 23

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 59733’s chill hours and zone:

Chill and zone requirements are comfortably met in 59733.

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How many chill hours does 59733 get?: 59733 averages 1428 chill hours per winter, ranging from 857 to 1710 across the last 10 years.
What hardiness zone is 59733?: 59733 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