They grow in zone 5-10. You could overwinter the roots indoors and replant in spring. They are prolific and can produce the first year.

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Now that I did not know. The only place I have seen them is Hawaii. Maybe my zone 8 will work...

They’re native to the continental US. They’ll definitely grow where you are. If the root cuttings work out, I’ll start selling them for shipment.

I am confusing passion flower with passion fruit. Passion flower is definitely hardy and grows well in western Washington. No fruit though.