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Chill hours in N4S

The short answer

N4S averages 1,495 chill hours per winter (1,2231,809 across 10 years) in USDA zone 5b.
N4S climate
Average chill hours1,495 (1,223–1,809 across 10 winters)
USDA hardiness zone5b (NRCan zone 6a)
Last spring frosttypically April 27 – May 8
First fall frosttypically October 25 – November 10

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 N4S’s chill hours and zone:

Good fit (152)

Chill and zone requirements are comfortably met in N4S.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
CortlandApple
Cox's Orange PippinApple
CrimsonCrispApple
Dorsett GoldenApple
EarligoldApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
HoneycrispApple
IdaredApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
LodiApple
McIntoshApple
Show 122 more good fit varieties
How many chill hours does N4S get?
N4S averages 1495 chill hours per winter, ranging from 1223 to 1809 across the last 10 years.
What hardiness zone is N4S?
N4S is in USDA hardiness zone 5b.

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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