Passiflora caerulea 'Grandiflora'

Passiflora caerulea ‘Grandiflora’

The cultivar Passiflora caerulea ‘Grandiflora’ is similar to the type, Passiflora caerulea, but the flower is a lot bigger: 10 to 12 cm.

Growing conditions and frost resistance are similar to those of Passiflora caerulea.

Description:

Passiflora caerulea or Blue Passion Flower is a vigorous vine that can grow up to 10 m. The numerous tendrils sprout at every leaf base and allow it to climb any support.

Vine: glabrous; stem: subangular, striate, grooved; stipules: semiovate to subreniform,

Leaves: petioles 1,5-5 cm long, 5-7 lobed or occasionally 3-9 lobed, 5-16 cm long and 6-18 cm wide.

Flowers: peduncles 3-7 cm long, solitary. Bracts ovate to ovate-oblong, to 2,7 cm long en 2.3 cm wide, pale green, entire, free.

Flowers white, blue and blackish purple, 12-15 cm in diameter.

Nomenclature:

Common names:

Blue Crown Passionflower, Blue Passion Flower, Blue Passionflower, Blue-Crown Passionflower, Bluecrown Passionflower, Common Passion Flower, Hardy Passionflower

Synonyms:

Passiflora coerulea is not a synonym but an error: the Latin word caeruleus means blue
Passiflora caerulea var. angustifolia, Passiflora caerulea var. glauca, Passiflora caerulea var. glaucophylla, Passiflora caerulea var. imbricata, Passiflora caerulea var. regnellii, Passiflora loureiroi, Passiflora selloi

Etymology:

Passiflora: from the Latin passio (Passion) and flos (flower)
Caerulea: from the Latin caeruleus (blue)
Grandiflora: from the Latin grandis (big) and flos (flower)

Hardiness:

USDA zone 7-10, -15 °C and lower for well establish plants.

It is recommended to protect young plants in winter with a mulch layer.

Care:

Soil:

Fertile and well drained, grows on a variety of soils, except desert soils

Exposure:

Full sun

Water:

In pot, water daily in the summer

Feed:

Fertilise weekly in pot

Pot:

A smaller pot promotes flowering and inhibits root growth



Propagation:

Seed, Cutting

Sowing instructions:

  • use fresh seeds
  • scarify the seeds with sandpaper or sand
  • soak the seeds in water at room temperature for 24h
  • plant in sowing substrate at 1 cm depth
  • provide soil heating and switch the heating off at night so that the temperature fluctuates
  • keep the substrate moist
  • do not discard the seeds if they have not germinated after a few months, it can take more than 6 months

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