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Chill hours in M1R

The short answer

M1R averages 1,692 chill hours per winter (1,3962,033 across 10 years) in USDA zone 6a.
M1R climate
Average chill hours1,692 (1,396–2,033 across 10 winters)
USDA hardiness zone6a (NRCan zone 6b)
Last spring frosttypically April 9 – April 29
First fall frosttypically October 30 – November 14

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 M1R’s chill hours and zone:

Good fit (156)

Chill and zone requirements are comfortably met in M1R.

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 126 more good fit varieties
How many chill hours does M1R get?
M1R averages 1692 chill hours per winter, ranging from 1396 to 2033 across the last 10 years.
What hardiness zone is M1R?
M1R is in USDA hardiness zone 6a.

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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