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Chill hours in V0K

The short answer

V0K averages 1,194 chill hours per winter (6281,531 across 10 years) in USDA zone 4b.
V0K climate
Average chill hours1,194 (628–1,531 across 10 winters)
USDA hardiness zone4b (NRCan zone 4a)
Last spring frosttypically April 27 – June 10
First fall frosttypically September 16 – September 30

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023 / NRCan 1981–2010. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against V0K’s chill hours and zone:

How many chill hours does V0K get?
V0K averages 1194 chill hours per winter, ranging from 628 to 1531 across the last 10 years.
What hardiness zone is V0K?
V0K 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] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026