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Chill hours in S0E

The short answer

S0E averages 774 chill hours per winter (4671,054 across 10 years) in USDA zone 4a.
S0E climate
Average chill hours774 (467–1,054 across 10 winters)
USDA hardiness zone4a (NRCan zone 2b)
Last spring frosttypically May 5 – May 27
First fall frosttypically September 21 – 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 S0E’s chill hours and zone:

Marginal (24)

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

Marginal varieties for this location
VarietyFruit
AkaneApple
CortlandApple
Cox's Orange PippinApple
EmpireApple
HaralsonApple
HoneycrispApple
LibertyApple
SpartanApple
WealthyApple
Yellow TransparentApple
GoldcotApricot
HarkoNectarine
MericrestNectarine
ContenderPeach
CresthavenPeach
ReliancePeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
French Improved PrunePlum
Italian PrunePlum
StanleyPlum
SunburstSweet Cherry
MeteorTart Cherry
How many chill hours does S0E get?
S0E averages 774 chill hours per winter, ranging from 467 to 1054 across the last 10 years.
What hardiness zone is S0E?
S0E is in USDA hardiness zone 4a.

Growing fruit trees in S0E? 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