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Passiflora Amethyst White- Passion Flower

Passiflora Amethyst Blanche
Passion Flower, Passion Vine

1,3/5
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Plant underdeveloped or even stunted after transplantation

Francois, 14/05/2020

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The 'Amethyst Blanche' Passionflower is a white variant of the timeless 'Amethyst Violacea' (perhaps the oldest horticultural hybrid among passionflowers!). Like its cousin with purple tones, it will thrive better in mild climate gardens, universally appreciated for its robustness and good cold resistance. This lovely climber is not lacking in vigour or brightness when its medium-sized flowers appear, with white petals tinged with violet that deliciously contrast with its lime green stamens.
Flower size
6 cm
Height at maturity
4 m
Spread at maturity
3 m
Exposure
Sun
Hardiness
Hardy down to -6°C
Soil moisture
Moist soil
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Best planting time April
Recommended planting time March to May
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Flowering time July to September
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Description

The Passiflora 'Amethyst Blanche' is a white variant of the timeless 'Amethyst Violacea' (possibly the oldest known horticultural hybrid among passionflowers!). Like its cousin with purple tones, it will thrive in mild climate gardens, where it will be universally appreciated for its robustness and good cold resistance. This pretty vine is not lacking in vigor or brilliance when its medium-sized flowers appear, with white petals tinged with violet that contrast deliciously with its lime green stamens. Slightly or not fragrant, occasionally producing hollow fruits, they bloom from June to October on a foliage cut into dark green lobes, more or less evergreen. Plant it in a sunny, sheltered position with loose and deep soil. Guaranteed success, in the garden as well as on the terrace!

Mostly native to tropical areas of South America, passionflowers belong to the large family of Passifloraceae, which includes 400 species and numerous spontaneous or horticultural hybrids.

The Passiflora (x) Violacea is an old horticultural hybrid obtained in 1824 by Loiseleur-Deslongchamps, a French botanist and nurseryman. This variety originated from the cross-breeding of P. caerulea, native to South America and naturalized in the South of France, and P. racemosa, Brazilian, with purple flowers in racemes. This excellent variety has received an Award of Garden Merit, a distinction awarded in England by the RHS for its ornamental qualities and ease of cultivation.

'Amethyst Blanche' is a voluble plant with evergreen stems that clings to its support using tendrils, reaching a height of 4m (13ft) and spreading over 3m (10ft). It is characterized by its quadrangular stems covered with leaves cut into 3 to 5 thick, ovate lobes, of a shiny dark green color, sometimes washed with coppery reflections, more or less evergreen. Its flowering extends from summer to early autumn, in the form of 5-6cm (2in) diameter flowers that constantly renew themselves on the plant, more abundantly in full sun. Its flowers, slightly fragrant, are formed by white petals. The heart of stamens is lime green and its filaments are of a beautiful intense dark violet. The unusual shape of the flower, quite ephemeral, evolves: petals and sepals curl, while the crown of filaments folds and then straightens up, in order to avoid self-pollination. Once pollinated, the flowers give way to rare oval and orange fruits, measuring from 5 to 6cm (2in) long. These fruits are often hollow.

This Passion Flower is not a capricious and difficult plant to cultivate like some orchids. It grows easily in any well-drained, light, fairly deep and not too dry soil in summer, and blooms generously in sunny and sheltered locations. Pruning, at the end of flowering, consists of reducing the branches to maintain a beautiful habit. It thrives in all southern and Atlantic regions. With its height of 4 to 5m (13 to 16ft) and its generous exotic flowering, the Passiflora Violacea is a wonderful plant to dress up walls, fences, trellises, porches, or to weave into a hedge. It is also highly appreciated in verandas where it will survive cold winters without damage. Enthusiasts of exotic vines will also cultivate alongside it the Podranea ricasoliana (pink trumpet vine) and the Mandevilla laxa, with large white and fragrant flowers. All three can withstand short freezes of around -8°C (17.6°F) without weakening.

 

Passiflora Amethyst White- Passion Flower in pictures

Passiflora Amethyst White- Passion Flower (Flowering) Flowering
Passiflora Amethyst White- Passion Flower (Foliage) Foliage

Plant habit

Height at maturity 4 m
Spread at maturity 3 m
Growth rate very fast

Flowering

Flower colour white
Flowering time July to September
Inflorescence Solitary
Flower size 6 cm
Fragrance slightly scented
Fruit colour orange

Foliage

Foliage persistence Semi-evergreen
Foliage colour green

Botanical data

Genus

Passiflora

Cultivar

Amethyst Blanche

Family

Passifloraceae

Other common names

Passion Flower, Passion Vine

Origin

Cultivar or hybrid

Product reference870121

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Planting and care

The 'Amethyst Blanche' passionflower is a sun-loving and heat-loving plant that should be sheltered from cold and drying winds. Plant it in ordinary but deep, well-worked, well-amended, and well-drained soil. Under these conditions, it grows without difficulty and with specific soil requirements if it is balanced and healthy. Hardy down to -8°C (17.6°F), it should only be planted in a protected location, with good winter mulching. Place it on a support to support the weight of vegetation. Direct its branches well on the support as the growth is exuberant. Pruning before winter is recommended to maintain a reasonable size. Do not hesitate to cut back the main branches to facilitate growth. Remove dead or misplaced branches and prune excess branches to aerate the plant. Beware of scale insects, whiteflies, and the cucumber mosaic virus. Treat preventively.

 

1
€7.50 Bag

Planting period

Best planting time April
Recommended planting time March to May
Type of support Arch, Pergola, Tree, Trellis

Intended location

Suitable for Meadow
Type of use Container, Hedge, Climbing
Hardiness Hardy down to -6°C (USDA zone 9a) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, deep, flexible, lightweight

Care

Pruning instructions Prune your passionflower to 50 cm (20in) from soil level at the end of spring.
Pruning Pruning recommended once a year
Pruning time June
Soil moisture Moist soil
Disease resistance Good
Overwinter Needs protection
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