Why is the plant dropping fruit that is still green? They are not going purple.
Why Is My Granadilla Plant Dropping Fruit That Is Still Green
Certified GKH Gardening Expert
The most common causes for this are: Not enought light, not enough water, or a lack of potassium and phosphorus in the soil. This link will take you to a set of articles that will help: https://www.gardeningknowhow.com/ornamental/vines/passion-flower/