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Chill hours in 54829

The short answer

54829 averages 1,107 chill hours per winter (8851,473 across 10 years) in USDA zone 4b.
54829 climate
Average chill hours1,107 (885–1,473 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 23 – May 4
First fall frosttypically October 12 – November 14

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 54829’s chill hours and zone:

How many chill hours does 54829 get?
54829 averages 1107 chill hours per winter, ranging from 885 to 1473 across the last 10 years.
What hardiness zone is 54829?
54829 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