Answer: You may have to do some research on the ancestry of your passion flower vine. Passiflora alatocaterulea, the most commonly available passion flower vine will not produce fruit. Passiflora edulis is a hybrid that does produce fruit, but it's extremely sensitive to cool temperatures and needs the light and humidity of a greenhouse, at least during the winter months in your growing region. If you're lucky enough to grow the fruiting variety, you only need to transfer pollen between the open flowers. Use a soft brush, such as an artists' camel hair brush, to visit each opened flower. Hope this venture proves fruitful!
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