Q.passion fruit vine
Can you keep a passion fruit vine outside over the winter in Ontario, Canada?

Downtoearthdigs
Answered on October 17, 2016
Passion Flower Vine is hardy in zones 6-9 and a mild zone 5.
If your temperatures go below -15 degrees F, the vines will not survive.
https://www.gardeningknowhow.com/ornamental/vines/passion-flower/passion-flower-care.htm
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