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Chill hours in J0J

The short answer

J0J averages 1,364 chill hours per winter (1,092–1,664 across 10 years) in USDA zone 5a.
J0J climate
Average chill hours1,364 (1,092–1,664 across 10 winters)
USDA hardiness zone5a (NRCan zone 5b)
Last spring frosttypically April 20 – May 1
First fall frosttypically October 22 – November 8

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 J0J’s chill hours and zone:

Marginal (16)

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

Marginal varieties for this location
VarietyFruit
TropicSweetApple
FlameprincePeach
FlordacrestPeach
GulfprincePeach
JunegoldPeach
LoringPeach
RedglobePeach
RedskinPeach
TropicBeautyPeach
UFGoldPeach
UFOnePeach
UFSunPeach
MoonglowPear
Green GagePlum
BrooksSweet Cherry
SunburstSweet Cherry
How many chill hours does J0J get?
J0J averages 1364 chill hours per winter, ranging from 1092 to 1664 across the last 10 years.
What hardiness zone is J0J?
J0J is in USDA hardiness zone 5a.

Growing fruit trees in J0J? Save your first tree free and see this month’s care tasks for this climate.

Save your first tree free

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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