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Chill hours in T9V

The short answer

T9V averages 893 chill hours per winter (5131,107 across 10 years) in USDA zone 3b.
T9V climate
Average chill hours893 (513–1,107 across 10 winters)
USDA hardiness zone3b (NRCan zone 3a)
Last spring frosttypically April 29 – May 21
First fall frosttypically September 20 – October 7

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 T9V’s chill hours and zone:

Marginal (1)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
CresthavenPeach
How many chill hours does T9V get?
T9V averages 893 chill hours per winter, ranging from 513 to 1107 across the last 10 years.
What hardiness zone is T9V?
T9V is in USDA hardiness zone 3b.

Growing fruit trees in T9V? Get a care calendar anchored to this exact climate, with email reminders.

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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