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Chill hours in 05829

The short answer

05829 averages 1,192 chill hours per winter (9671,585 across 10 years) in USDA zone 4a.
05829 climate
Average chill hours1,192 (967–1,585 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 27 – May 18
First fall frosttypically October 17 – November 4

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 05829’s chill hours and zone:

How many chill hours does 05829 get?
05829 averages 1192 chill hours per winter, ranging from 967 to 1585 across the last 10 years.
What hardiness zone is 05829?
05829 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