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Chill hours in G4S

The short answer

G4S averages 962 chill hours per winter (7791,254 across 10 years) in USDA zone 5a.
G4S climate
Average chill hours962 (779–1,254 across 10 winters)
USDA hardiness zone5a (NRCan zone 3b)
Last spring frosttypically May 8 – June 4
First fall frosttypically October 6 – October 29

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 G4S’s chill hours and zone:

Good fit (150)

Chill and zone requirements are comfortably met in G4S.

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 120 more good fit varieties

Marginal (2)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
Rome BeautyApple
ReliancePeach
How many chill hours does G4S get?
G4S averages 962 chill hours per winter, ranging from 779 to 1254 across the last 10 years.
What hardiness zone is G4S?
G4S 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