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PlantSnap
Plant Care
Blue passionflower
(Passiflora caerulea)
Also Known As
Blue passionflower, Common passionflower, Hawaiian passion flower, Purveyor of passion
About This Plant
Passiflora caerulea is a species of flowering plant in the passionflower family. It is a vigorous, deciduous or semi-evergreen tendril vine that can grow up to 10 m (33 ft) long. The leaves are alternate, palmately lobed with five lobes, and up to 10 cm (4 in) long and 12 cm (5 in) broad. The flowers are 6–10 cm (2–4 in) in diameter, appear from early summer to late autumn, and have a prominent fringe of white, blue, or purple coronal filaments. The fruit is an oval orange-yellow berry, containing numerous seeds. It is native to South America and is widely cultivated in other parts of the world.
Plant Care Instructions
Outdoor Size Range
10-20 feet (305-610 cm)
Light Requirements
Passiflora caerulea prefers full sun to partial shade. It can tolerate some shade but will not flower as well.
Humidity Needs
Passiflora caerulea prefers high humidity levels. Mist the leaves regularly or place a tray of water near the plant to increase humidity.
Fertilizing Schedule
Fertilize Passiflora caerulea every 2-3 weeks during the growing season with a balanced fertilizer. Reduce fertilization in the winter when the plant is dormant.
Pruning Guidelines
Prune Passiflora caerulea in the early spring before new growth begins. Cut back any dead or damaged growth and prune to shape the plant as desired.
Common Pests and Diseases
Common pests for Passiflora caerulea include spider mites, whiteflies, and scale insects. It is also susceptible to fungal diseases such as powdery mildew and rust.
Indoor Size Range
4-6 feet (122-183 cm)
Watering Schedule
Water the plant regularly during the growing season, making sure the soil is moist but not waterlogged. Reduce watering in the winter when the plant is dormant.
Temperature Range
Passiflora caerulea prefers warm temperatures between 65-85°F (18-29°C). It can tolerate cooler temperatures down to 50°F (10°C) but may drop its leaves.
Growing Season
Passiflora caerulea grows best during the spring and summer months.
Growing Difficulty Level
Passiflora caerulea is moderately difficult to grow. It requires high humidity levels and can be susceptible to pests and diseases.
USDA Hardiness Zones
Passiflora caerulea is hardy in USDA zones 7-11.
Did You Know?
Passiflora caerulea is the national flower of Paraguay.
