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Chill hours in E4R

The short answer

E4R averages 1,304 chill hours per winter (1,1271,579 across 10 years) in USDA zone 6a.
E4R climate
Average chill hours1,304 (1,127–1,579 across 10 winters)
USDA hardiness zone6a (NRCan zone 5a)
Last spring frosttypically April 23 – May 2
First fall frosttypically October 19 – 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 E4R’s chill hours and zone:

Good fit (156)

Chill and zone requirements are comfortably met in E4R.

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 E4R get?
E4R averages 1304 chill hours per winter, ranging from 1127 to 1579 across the last 10 years.
What hardiness zone is E4R?
E4R 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