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Chill hours in J1M

The short answer

J1M averages 1,336 chill hours per winter (1,0531,765 across 10 years) in USDA zone 5a.
J1M climate
Average chill hours1,336 (1,053–1,765 across 10 winters)
USDA hardiness zone5a (NRCan zone 5a)
Last spring frosttypically April 26 – May 14
First fall frosttypically October 3 – October 31

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 J1M’s chill hours and zone:

Good fit (152)

Chill and zone requirements are comfortably met in J1M.

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 J1M get?
J1M averages 1336 chill hours per winter, ranging from 1053 to 1765 across the last 10 years.
What hardiness zone is J1M?
J1M is in USDA hardiness zone 5a.

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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