Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in G7X

The short answer

G7X averages 986 chill hours per winter (7641,321 across 10 years) in USDA zone 4b.
G7X climate
Average chill hours986 (764–1,321 across 10 winters)
USDA hardiness zone4b (NRCan zone 3a)
Last spring frosttypically May 4 – May 23
First fall frosttypically October 13 – November 3

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 G7X’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
ReliancePeach
How many chill hours does G7X get?
G7X averages 986 chill hours per winter, ranging from 764 to 1321 across the last 10 years.
What hardiness zone is G7X?
G7X is in USDA hardiness zone 4b.

Growing fruit trees in G7X? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

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