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Chill hours in T2J

The short answer

T2J averages 1,376 chill hours per winter (1,0171,658 across 10 years) in USDA zone 4a.
T2J climate
Average chill hours1,376 (1,017–1,658 across 10 winters)
USDA hardiness zone4a (NRCan zone 4a)
Last spring frosttypically May 2 – May 22
First fall frosttypically September 16 – October 13

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 T2J’s chill hours and zone:

How many chill hours does T2J get?
T2J averages 1376 chill hours per winter, ranging from 1017 to 1658 across the last 10 years.
What hardiness zone is T2J?
T2J 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