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Chill hours in 59354

The short answer

59354 averages 1,321 chill hours per winter (8001,523 across 10 years) in USDA zone 4b.
59354 climate
Average chill hours1,321 (800–1,523 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 27 – May 20
First fall frosttypically October 1 – October 26

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 59354’s chill hours and zone:

How many chill hours does 59354 get?
59354 averages 1321 chill hours per winter, ranging from 800 to 1523 across the last 10 years.
What hardiness zone is 59354?
59354 is in USDA hardiness zone 4b.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026