Content Detail

Blue passionflower is a tropical vine with beautiful, ornate flowers. It is an annual vine in the Midwest, but will grow rapidly and produce flowers.

  • Family (English) Passion-flower
  • Family (botanic) Passifloraceae
  • Tree or plant type Vine
  • Native locale Non-native
  • Size range Large plant (more than 24 inches)
  • Light exposure Full sun (6 hrs direct light daily)
  • Hardiness zones Zone 8, Zone 9, Zone 10, Zone 11
  • Soil preference Moist, well-drained soil
  • Season of interest midsummer, late summer, early fall
  • Flower color and fragrance Blue
  • Shape or form Vining
  • Growth rate Fast

Size and Method of Climbing:

Blue passionflower can grow up to 20 feet in one season. It climbs by tendrils which twist around a support such as trellises, arbors, wires, or chain-link fences.

Native geographic location and habitat:

It is native to South America.

Leaf or needle arrangement, size, shape, and texture:

The alternate leaves are deep green with five to nine deep lobes.

Flower description:

The blue and white flowers are very ornate and distinctive.

Fruit, cone, nut, and seed descriptions:

Although fruit is not commonly produced, they are egg-shaped, orange berries that grow 2 to 2 1/2 inches long.

Plant care:

Blue passionflower needs full sun and well drained soil.

List of pests and diseases:

It doesn’t have any serious problems.

Clear Sky blue pasionflower (Passiflora caerulea ‘Clear Sky’):

A vigorous cultivar with light blue flowers that are slightly larger than those of the species.

Constance Eliott blue passionflower (Passiflora caerulea ‘Constance Eliott’): 

This cultivar has pure white flowers.


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