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Chill hours in N3B

The short answer

N3B averages 1,430 chill hours per winter (1,2351,782 across 10 years) in USDA zone 5b.
N3B climate
Average chill hours1,430 (1,235–1,782 across 10 winters)
USDA hardiness zone5b (NRCan zone 6a)
Last spring frosttypically April 27 – May 14
First fall frosttypically October 18 – 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 N3B’s chill hours and zone:

Good fit (152)

Chill and zone requirements are comfortably met in N3B.

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 N3B get?
N3B averages 1430 chill hours per winter, ranging from 1235 to 1782 across the last 10 years.
What hardiness zone is N3B?
N3B 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