HUGE passionfruit vine.. no flowers (Australia)? I have a resourcefully growing, very foliage driven passionfruit vine that must...

I have a resourcefully growing, very foliage driven passionfruit vine that must mesure around 5-6 meters long and 2-3 meters big. Its growing on a trellis and its the only plant within reach.
Yet I have no flowers showing up, and haven't see any in the 18 months its be established...
Any ideas how to trigger them..I want some fruit, to sit underneath the vine and eat adjectives day ( i own no appendix... beofre you say it ! )
Bumble Bee Box...?
Answers:    Passion-fruit usually take about two or three years to set fruit. You may acquire an occasional fruit now, but subsequent year you should have an plethora.
Be sure not to spray for flying insects as you do not want to kill the pollinators! :)
Do you fertilize and hose it?
It sounds like it is getting to much nitrogen.
How is the pH?
Hope this help!