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Chill hours in 59213

The short answer

59213 averages 1,164 chill hours per winter (6711,349 across 10 years) in USDA zone 4a.
59213 climate
Average chill hours1,164 (671–1,349 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 28 – May 14
First fall frosttypically September 28 – October 25

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 59213’s chill hours and zone:

How many chill hours does 59213 get?
59213 averages 1164 chill hours per winter, ranging from 671 to 1349 across the last 10 years.
What hardiness zone is 59213?
59213 is in USDA hardiness zone 4a.

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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