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Chill hours in C0A

The short answer

C0A averages 1,359 chill hours per winter (1,1811,598 across 10 years) in USDA zone 6b.
C0A climate
Average chill hours1,359 (1,181–1,598 across 10 winters)
USDA hardiness zone6b (NRCan zone 6a)
Last spring frosttypically April 23 – May 13
First fall frosttypically October 23 – November 24

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 C0A’s chill hours and zone:

Good fit (156)

Chill and zone requirements are comfortably met in C0A.

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 C0A get?
C0A averages 1359 chill hours per winter, ranging from 1181 to 1598 across the last 10 years.
What hardiness zone is C0A?
C0A is in USDA hardiness zone 6b.

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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