Common Passion Flower (Passiflora caerulea)

Common passion flower, known scientifically as Passiflora caerulea, is a vigorous climbing vine native to South America but widely cultivated in Mediterranean climates. This plant can grow up to 33 feet (10 meters) in height, using tendrils to cling to structures or other plants. The leaves are palmate, usually five-lobed, and glossy green, providing an attractive backdrop to the stunning flowers. The unique blossoms are approximately 4 inches (10 cm) wide, featuring a complex arrangement of blue, white, and purple filaments that encircle a central crown of stamens and pistils. These flowers bloom from late spring to early fall and are known for their striking beauty and faint fragrance.

Common Passion Flower
Common Passion Flower

Following the flowering season, the plant produces small, orange-yellow, egg-shaped fruits. While not as flavorful as those of other passion fruit species, they are sometimes used in jams or preserves. Common passion flower thrives in well-drained soils with full sun exposure and moderate water. It is drought-tolerant once established but appreciates occasional watering during prolonged dry periods.

This fast-growing vine is often used in gardens and landscapes to cover trellises, walls, or fences. Beyond its ornamental appeal, the plant also provides habitat for butterflies and other pollinators. The leaves and flowers have been used in traditional medicine for their sedative and calming properties.

Common Passion Flower
Common Passion Flower

Scientific Classification of Common Passion Flower

KingdomPlantae
CladeAngiosperms
CladeEudicots
OrderMalpighiales
FamilyPassifloraceae
GenusPassiflora
Scientific NamePassiflora caerulea
Common Passion Flower
Common Passion Flower

Quick Information

Plant TypeClimbing vine
IdentificationHeight: Up to 33 feet (10 meters) Leaves: Palmate, five-lobed, glossy green Stem: Slender, with tendrils for climbing Flowers: Blue, white, and purple, 4 inches (10 cm) wide, blooming late spring to early fall Fruits: Orange-yellow, egg-shaped Roots: Extensive, supporting vigorous growth Growth Habit: Fast-growing climber
DistributionNative to South America, widely cultivated in Mediterranean regions
HabitatGardens, landscapes, sunny and well-drained areas
USDA Hardiness ZoneZones 8–11
Growth RateFast
LifespanPerennial
Growing ConditionsSunlight: Full sun Soil: Well-drained Water: Moderate, drought-tolerant when established
Drought ToleranceModerate
DiseasesSusceptible to root rot if overwatered
PestsAphids, spider mites
Reproductive SystemHermaphroditic; flowers have both male and female parts
PropagationSeeds, cuttings
Wildlife ValueAttracts butterflies and other pollinators
UsesOrnamental, traditional medicine, occasional culinary uses
IUCN Conservation StatusNot Evaluated