Passiflora edulis, commonly known as passion fruit, is a vine species of passion flower. The fruit is a pepo, a type of botanical berry, round to oval, either yellow or dark purple at maturity, with a soft to firm, juicy interior filled with numerous seeds. YellowingPassionVines. If you see your passion flower leaves turning yellow, it may be time to check the nutrients in your soil. Too much or too little of particular nutrients can cause yellowpassionvine leaves. Yellow Leaves On Passion Fruit Plant: How To FixYellowingPassionVines. When you see those passion flower leaves turning yellow, the odds are that your vine isn't getting the nutrients it needs from the soil. However, cold weather or insufficient irrigation could also be the culprit. Getting Started: Your YellowPassion Flower Vine Guide to Planting. A great garden starts with a great foundation. Getting the planting process right sets your vine up for a long and healthy life. 15+ Seed Passion Fruit Seeds for Planting Outdoor-Non-GMO Heirloom Sweet Rare YellowPassion Fruit Plant in Your Home Garden.Passion Fruit Plant - Live Plants in a 6 Inch Growers Pot - Edible Fruit Bearing Vine for The Patio and Garden. Mild yellowing of older leaves is normal as passionvines mature. But if yellowing is severe, rapid, or combined with wilting, it likely indicates a bigger issue that demands quick action: Sudden wilt – If vine leaves rapidly wilt and turn yellow, check for root damage from waterlogging or disease. In order to cross-pollinate ‘Frederick’, since it is a red variety, you should not need another variety of passionvine. Bees going from flower to flower should be enough. If you had a vine with yellow fruit, on the other hand, it would need cross-pollination with another compatible seedling. The passion fruit is a tropical fruit of a plant that grows in the shape of a vine of which more than 400 varieties are known. One of the center of origin of this plant is Peru, it has two different varieties or forms: purple or purple and yellow. The passion fruit vines have covered the rose apple tree and all but the top 8 feet of the avocado tree. When the yellowpassion fruit are ripe they fall to the ground ready for pickup. The rose apple tree is still alive, though growing more slowly (and fruiting less) in the faint filtered light.