Blue passion flower Passiflora caerulea Photo/Illustration: Delilah Smittle 1 2 3 4 5 6 7 8 9 10 11 Blue passion flower (Passiflora caerulea) pass-ih-FLOOR-ah sir-EW-lee-ah Genus: Passiflora This plant produces 3- to 4-inch-diameter, slightly scented flowers sporadically during summer, increasing in late summer through autumn. Intricate blossoms have an outer ruffle of petals and sepals; an inner disc of filaments composed of rings of blue, white and purple; and a central “antenna.” Deeply lobed dark green leaves cover stems that grasp supports with tendrils. Blue passion flower can reach 10 feet tall in one season. The ovoid, orange-yellow fruit is edible. Care: Often grown as a houseplant, it can also be grown as an annual outdoors. Grow in a greenhouse border or in containers. Or set outdoors in moderately fertile, moist but well-drained soil. Shelter from cold, drying winds. Propagation: Semi-ripe cuttings in summer. Layer in spring or autumn. Problems: Spider mites, whiteflies, and scale insects. Leaf spots, iron deficiency, and virus diseases. Overview Height 10 ft. to 15 ft. Growth Pace Fast Grower Light Full Sun Only Moisture Dry to Medium Characteristics Fragrant Flowers, Showy Flowers, Showy Foliage, Showy Fruit Bloom Time Summer Flower Color Blue, Pink, Purple, White Uses Beds and Borders, Container, Trellis Seasonal Interest Summer Interest Type Vines Passiflora caeruleaView the discussion thread.