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Chill hours in 58713

The short answer

58713 averages 1,000 chill hours per winter (5931,235 across 10 years) in USDA zone 3b.
58713 climate
Average chill hours1,000 (593–1,235 across 10 winters)
USDA hardiness zone3b
Last spring frosttypically April 24 – May 19
First fall frosttypically October 7 – 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 58713’s chill hours and zone:

How many chill hours does 58713 get?
58713 averages 1000 chill hours per winter, ranging from 593 to 1235 across the last 10 years.
What hardiness zone is 58713?
58713 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