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Chill hours in 59253

The short answer

59253 averages 1,170 chill hours per winter (7321,400 across 10 years) in USDA zone 3b.
59253 climate
Average chill hours1,170 (732–1,400 across 10 winters)
USDA hardiness zone3b
Last spring frosttypically May 1 – May 21
First fall frosttypically September 21 – 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 59253’s chill hours and zone:

How many chill hours does 59253 get?
59253 averages 1170 chill hours per winter, ranging from 732 to 1400 across the last 10 years.
What hardiness zone is 59253?
59253 is in USDA hardiness zone 3b.

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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