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Chill hours in T6V

The short answer

T6V averages 1,118 chill hours per winter (7581,329 across 10 years) in USDA zone 3b.
T6V climate
Average chill hours1,118 (758–1,329 across 10 winters)
USDA hardiness zone3b (NRCan zone 4a)
Last spring frosttypically April 26 – May 21
First fall frosttypically September 28 – 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 T6V’s chill hours and zone:

How many chill hours does T6V get?
T6V averages 1118 chill hours per winter, ranging from 758 to 1329 across the last 10 years.
What hardiness zone is T6V?
T6V 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] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026