Passiflora Caerulea Passionflower: 21 Types Of Passionate Passiflora

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Blue Passionflower

Passiflora Caerulea

The Passiflora Caerulea Passionflower is a native flowering plant of South America. Also known as blue crown passionflower and common passionflower, it grows on a vigorous tendril vine up to 10 m high.

Its blue flowers are a symbol of the sea and are a popular cut flower. While most people associate the plant with sand dunes, it’s actually not as exotic as it sounds.

Passiflora caerulea is a fast-growing, semi-evergreen vine with bright blue flowers in summer and autumn.

It has attractive, deep green foliage and a cold-hardy root system. It can be grown indoors, but you’ll need to provide support for the climbing stems.

You’ll need to provide sturdy support for this plant, if grown outside, It will grow to approximately 30 feet.

Passion Flower Genus

Passiflora is a family containing over 500 species of primarily evergreen tendril climbers native to South America and the West Indies.

They grow in tropical woodland or grassland in the wild, scrawling across trees and plants and reaching tremendous heights.

Passion flowers were popular throughout the Victorian era, but they fell out of favor during the World Wars because people couldn’t afford the glass required to produce them.

Despite their exotic appearance, passion flowers are simple to grow, and their fragrant blossoms persist for months.

Many more colorful varieties are not hardy and must be grown in a heated conservatory, where they will scramble up to the roof and bloom profusely.

Others, such as the two common outdoor varieties, Passiflora caerulea AGM and the white-flowered Passiflora caerulea ‘Constance Elliot,’ are hardy in warmer climates.

Many half-hardy species, however, can be grown outside if a proper microclimate is created a sunny, south-facing wall and free-draining soil are essential.

Passiflora Caerulea Passionflower Planting And Growing

Passion flowers can be planted in the garden over a pergola or trellis or in a pot that can be brought within during winter.

Passiflora edulis, which produces a fruit similar to the sweet, juicy kind available in supermarkets, can be cultivated in a heated conservatory or glasshouse and is self-pollinating.

Passiflora mollissima AGM also yields tasty yellow banana-shaped fruits. Other types raised for their blooms produce edible fruit, which isn’t particularly tasty.

Care And Pruning

Keep the roots confined while growing passion flowers in a pot. They should be potted regularly, but never in excess, and watered lightly during the winter, increasing when growth begins—feed between May and September, using a high potash feed to produce maximum flowering.

After the summer, keep pruning to a minimum because the growth needs time to harden to withstand any cold spells. Passion flowers bloom in the current year’s growth. Thus, they can be pruned to limit growth.

Semi-hardwood cuttings are typically used for propagation. Cultivar seed can be used. However, the results may be unreliable.

Pests

Pests and diseases do not affect outdoor passion flowers. However, conservatory types can suffer from a mealy bug or red spider mite, primarily caused by hot and dry conditions.

Species And Cultivars

  • Passiflora alata Award of Garden Merit (AGM) is a fragrant conservatory plant with scarlet flowers.
Passiflora alata
Passiflora alata
  • Passiflora Amethyst’s AGM is vigorous, rugged, and hardy to -2 °C. It is evergreen, with darkish green leaves and lavender flowers.
Passiflora Amethyst's
Passiflora Amethyst’s
  • Passiflora ‘Anastasia’ is a novel hybrid that can withstand temperatures as low as -2 °C. From May to November, it blooms profusely with beautiful pink, red, and white flowers.
Passiflora 'Anastasia'
Passiflora ‘Anastasia’
  • P.’Andy’s variety features perfumed white flowers with a purple center. It’s a gorgeous pot specimen that can live outside in milder climates.

Passiflora Andy

  • Passiflora ‘Allardii’ is a popular conservatory plant. It bears big, perfumed mauve and violet flowers from April through October.
Passiflora 'Allardii'
Passiflora ‘Allardii’
  • Passiflora x belotii is free-flowering from May to October, with scented lilac and pink flowers.
Passiflora x belotii
Passiflora x belotii
  • The most widely available hardy passion flower, Passiflora caerulea AGM, with blue and white blossoms.
Passiflora Caerulea l
Passiflora Caerulea l
  • Passiflora caerulea ‘Constance Elliot’ bear’s white blooms and tasty fruits from May to October.
Passiflora caerulea 'Constance Elliot'
Passiflora caerulea ‘Constance Elliot’
  • The flowers of Passiflora citrina are yellow and star-shaped. It’s a unique color for a passion flower and would make an excellent tiny houseplant.
Passiflora citrine
Passiflora citrine
  • Passiflora x decaisneana bears enormous crimson blossoms the size of saucers. It flowers from June – September and is the largest of the passion flower hybrids.
Passiflora x decaisneana
Passiflora x decaisneana
  • Passiflora edulis is cultivated for its sweet, edible fruits. It bears white/purple flowers and requires a frost-free climate.
Passiflora edulis
Passiflora edulis
  • Passiflora x exoniensis AGM is fast-growing and evergreen. It produces rose-pink flowers with purplish-blue crowns from summer to autumn.
Passiflora x exoniensis AGM
Passiflora x exoniensis AGM
  • Passiflora ‘Justine Lyons’ is a new hybrid that grows hardy in London and blooms in mauve from May to November.
Passiflora 'Justine Lyons'
Passiflora ‘Justine Lyons’
  • mollissima passiflora From July to September, AGM produces pink blooms and tasty banana-shaped fruits. A heated conservatory is required.
Passiflora mollissima
Passiflora mollissima
  • The flowers of Passiflora ‘Purple Haze’ are mauve and purple, with darker filaments. It has an exotic appearance and can be grown outside in milder climates.
Passiflora 'Purple Haze'
Passiflora ‘Purple Haze’
  • Passiflora quadrangularis AGM is a standard pick for the conservatory. From July through September, it blooms with unique red and white flowers, followed by huge fruits.
Passiflora quadrangularis AGM
Passiflora quadrangularis AGM
  • The red blossoms of Passiflora rubra are followed by orange fruits. It is evergreen and half-hardy.
Passiflora rubra
Passiflora rubra
  • Passiflora ‘Star of Surbiton’ is a new cultivar that thrives in warmer climates. It bears enormous, scented flowers in blue, white, and purple.
Passiflora 'Star of Surbiton'
Passiflora ‘Star of Surbiton’
  • violacea x passiflora AGM has purple flowers and requires a temperature range of 7°C to 10°C.
Passiflora Violacea
Passiflora Violacea
  • Passiflora vitifolia is a popular conservatory plant with magnificent scarlet blooms that bloom for 10 months of the year.
Passiflora vitifolia
Passiflora vitifolia

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