Genus: Granadilla

Passiflora

Photo/Illustration: 
Delilah Smittle
Granadilla (Passiflora)
pass-ih-FLOOR-ah
Passifloraceae
Passiflora is a very large genus of more than 400 tropical climbers, annuals, perennials, shrubs, and trees. They are grown mainly for their exotic flowers with prominent central stalks. Yellow fruits are edible when fully ripe and resemble small chicken eggs. The vast majority of Passiflora species are climbers, and they are excellent for growing on a wall or trellis. They use tendrils to grab their supports.
Noteworthy characteristics:  Stiking tropical flowers. Ripe fruit is edible. The name "passionflower" is a Biblical reference.
Care:  In the garden, grow in a sheltered spot in full sun or partial shade, and moist but well-drained soil. Indoors, grow in full light with protection from the hottest sun. Water sparingly in winter.
Propagation: 

Layer in spring of fall, or take semi-ripe cuttings in summer. May also be grown from seed sown at 55-64°F in spring.

Problems: 

Spider mites, whiteflies, scale insects. Also can be affected by leaf spots, viruses, and iron deficiency.

Species, varieties and clutivars for genus Passiflora

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Blue passion flower
Passiflora caerulea