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Chill hours in V2M

The short answer

V2M averages 1,591 chill hours per winter (1,1181,918 across 10 years) in USDA zone 4a.
V2M climate
Average chill hours1,591 (1,118–1,918 across 10 winters)
USDA hardiness zone4a (NRCan zone 4b)
Last spring frosttypically April 27 – May 13
First fall frosttypically September 20 – October 15

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 V2M’s chill hours and zone:

How many chill hours does V2M get?
V2M averages 1591 chill hours per winter, ranging from 1118 to 1918 across the last 10 years.
What hardiness zone is V2M?
V2M 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] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026