How do I get the passion flower to bloom?
Certified GKH Gardening Expert
I would look, first, to a fertilization issue. They will need higher amounts of phosphorus, and potassium to flower properly. An all purpose will be ok, though.
Here is a link that will help: https://www.gardeningknowhow.com/ornamental/vines/passion-flower/passion-flower-not-fruiting.htm