Passion Flower (Passiflora caerulea) is an evergreen, woody vine that can grow to 25 meters high where supporting trees are available. The leaves are dark green, with 5-7 finger-like lobes. The white and purple-blue flowers which appear in summer may be as large as 4 inches across. The fruit is an oval orange-yellow berry, 6 cm long by 4 cm in wide, containing numerous seeds. It is edible to humans when ripe, but tends to have an undesirable flavor.
Scientific Name: Passiflora caerulea
Common Name: Blue passionflower, Bluecrown passionflower, Passion flower, blue crown passionfruit, passion vine.
How to grow and maintain Passion Flower (Passiflora caerulea):
It thrives best in full sunlight to partial shade. At least 4 hours of direct sunlight a day. It does best in a south-facing room, sunroom or greenhouse.
It grows well in well-drained, loose sandy or gravelly soils.
Water your plant regularly during the growing season and always keep the soil evenly moist but not soggy. You can allow the top 1 inch of soil to dry out between each watering. During the winter months, reduce watering.
It prefers a temperature between 55°F – 60°F / 13°C – 16°C at nights and 70°F – 75°F / 21°C – 24°C days. To ensure blooming, give your plant slightly cooler nighttime temperatures.
Fertilize once a month spring through fall with a liquid fertilizer diluted by half. Do not feed in winter.
It can be easily propagated by seed or cutting. Take 15 cm stem tip cuttings in summer and root in moist potting mix.
It requires moist air. Set pot on a tray of wet pebbles and mist leaves daily with room-temperature water.
Pests and Diseases:
It has no serious pest or disease problems. Watch for red spider mites, whiteflies, mealybugs, scale insects, cucumber mosaic virus.
- The unripe fruits are cooked, whilst the ripe fruits are eaten raw or made into a refreshing drink.
- A tea can be made of the flower which is said to alleviate stress and anxiety.