Something has been eating at the Passion Flower leaves. What can I use to keep bugs from munching?
Any number of pests could feed on this plant; however, neem oil will take care of the majority and is safe to use. Here is more info: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm
Blooms falling off of passion flower before they open.
It may need a little more fertilizer. I would give it a full dose of water soluble fertilizer. Also, to be on the safe side, treat it with a fungicide.
I have a passion flower vine in my garden and it does not bloom. What do I need to do to get it to bloom this season?
Too much nitrogen will keep a plant from blooming. Try adding some bone meal to the soil and go light with the regular fertilizer. That should help it to bloom.
I planted a passion vine a few months ago and it's growing like a weed but no blooms. Do you know why?
The soil may have more nitrogen than phosphorus, which is responsible for the blooming. Add some phosphorus rich fertilizer or bone meal to the soil to help with flowering.
Can you prune a passion flower vine while it is actively growing? If so, what is best way to do it?
If the plant is getting quite large, cutting it back by about a third may help, though they normally die back naturally, making this unnecessary most of the time. This article will help with pruning:
https://www.gardeningknowhow.com/ornamental/vines/passion-flower/cutting-back-passion-vines.htm
I'm currently living in Puerto Rico and have an established passion fruit vine that was just popping out in lots of fruit, but in the last week it has starting decaying. Water is not a problem so I can't work out why it's dying. Please help.
What kind of symptoms are you seeing? What do the leaves look like? If you can send us details about how the plant is dying, we will be better able to pinpoint the cause.
In the meantime, this article has some common passion vine diseases that may help you pinpoint it:
https://www.gardeningknowhow.com/ornamental/vines/passion-flower/passion-flower-vine-problems.htm
I want to plant a fruit off my passion flower vine. Will it grow?
Yes, you can propagate with the seeds. Here is a link to help you.
https://www.gardeningknowhow.com/ornamental/vines/passion-flower/passion-flower-care.htm
https://www.gardeningknowhow.com/ornamental/vines/passion-flower/propagating-passion-flower.htm