Blue Crown Passion Flower is a twining, climbing vine that is highly adaptable and tolerates a wide range of conditions. It features exotic flowers that are a brilliant blue, white and purple followed by orange fruits. Blue Crown Passion Flower is one of the most widely grown passion flowers and a favorite among tropical flower lovers. It makes an excellent vertical accent for small gardens or balconies.
How to care for Blue Crown Passion Flower
Light. Grows in full sun to partial shade.
Water. Water regularly, especially in summer. It likes moist soil that drains well.
Soil and feeding. Plant in rich, well-drained soil. It adapts to clay, loam or sand and is not fussy about pH.
Size. A vigorous vine that climbs 10–40 ft by tendrils and spreads 3–6 ft. Give it a trellis, fence or arbor; it does not damage surfaces.
Pruning. Prune overgrown plants after flowering, cutting back the year's growth by half. Do not remove too much at once, which can lead to root disease.
Problems to watch. Fungal diseases appear when air circulation is poor. It is susceptible to nematodes.
Good to know. Caterpillars of butterflies such as gulf fritillary feed on it. The plant is listed as poisonous to people, cats and dogs.
Sources: NC State Extension Plant Toolbox: Passiflora caerulea · UF/IFAS Extension Nassau County: Blue Passion Flower
