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Agapanthus Vallée de lAuthion

Agapanthus x hybridus Vallée de l'Authion
African Lily, Lily of the Nile

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This Agapanthus, highly floriferous, offers in summer a magnificent flowering of bright lavender blue. Its umbels of flowers emerge from a beautiful tuft of ribbon-shaped leaves that persist in winter. Very decorative in a pot as well as in open ground, it will compose elegant borders or very flowery pots. Hardy (-7°C (19.4°F)), this variety succeeds particularly well by the seaside. To be cultivated in the sun, in a good rich and well-drained garden soil. Good drought resistance.
Flower size
18 cm
Height at maturity
80 cm
Spread at maturity
50 cm
Exposure
Sun
Hardiness
Hardy down to -6°C
Soil moisture
Dry soil, Moist soil
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Best planting time April
Recommended planting time March to May
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Flowering time June to August
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Description

Agapanthus 'Vallée de l'Authion' is a flowering plant that produces large flowers in summer, a lavender blue colour that is almost evanescent reminiscent of Mediterranean skies. They rise above a beautiful clump of ribbon-like leaves that remain decorative in winter. Like all evergreen Agapanthus, this variety is not very hardy, but less demanding in water than deciduous varieties. Particularly suited to the Atlantic coast or the Mediterranean coast, this selection also adapts perfectly to pot culture, which allows it to overwinter in colder regions. And its flowers make beautiful bouquets. 

Agapanthus are plants from the lily family native to South Africa. Several species have been extensively hybridized by horticulturists in search of new colours, more compact and hardier plants, better adapted to our climates. The cultivar 'Vallée de l'Authion' was selected by P. Turc in Anjou, France. This variety is named after a river in Anjou. This perennial plant develops and multiplies rapidly from a stump with fleshy rhizomes, forming over time a dense clump of linear foliage, a bright and shiny green, about 50cm (20in) in all directions. The abundant flowering takes place between late June and late August depending on the climate. Numerous cylindrical flowering stems about 80-90cm (32-35in) high emerge from the foliage clump. They bear at their tips hemispherical umbels 15-20cm (6-8in) in diameter, composed of numerous trumpet-shaped flowers. Each flower is composed of 6 fused petals forming a tube at the base, a light blue with lavender nuances, crossed by a darker line. The shiny and bright green foliage of this variety persists in winter. 

Agapanthus 'Vallée de l'Authion' has a strong impact in the garden or on the terrace, especially in a contemporary or exotic setting. This new variety will easily adapt in our mild regions, especially if its stump is protected by a thick winter mulch. Whether in a mass planting, as a border, in a large rock garden, in a pot or planter, Agapanthus is suitable for a variety of uses. It is particularly well suited to coastal climates. 'Vallée de l'Authion' is very beautiful when associated with other blue, mauve or white varieties in a sleek setting. It is also very decorative in exotic-themed plantings with DianellaKniphofiasHemerocallisgrasses and Cannas.

Agapanthus Vallée de lAuthion in pictures

Agapanthus Vallée de lAuthion (Flowering) Flowering
Agapanthus Vallée de lAuthion (Foliage) Foliage

Flowering

Flower colour blue
Flowering time June to August
Inflorescence Umbel
Flower size 18 cm
Good for cut flowers Cut flower blooms
Flowering description Umbels of light blue with lavender.

Foliage

Foliage persistence Deciduous
Foliage colour green
Foliage description Evergreen.

Plant habit

Height at maturity 80 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Agapanthus

Species

x hybridus

Cultivar

Vallée de l'Authion

Family

Alliaceae - Liliaceae

Other common names

African Lily, Lily of the Nile

Origin

Cultivar or hybrid

Product reference180221

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Planting and care

Plant the stumps of 'Vallée de l'Authion' Agapanthus by covering them with at least 10cm (4in) of good soil, this way they will better withstand the cold. It is essential to install them in spring and preferable to mulch them in winter in most of our regions. For pot cultivation, use 5 plants for a 24cm (9in) pot and protect your pots in winter. They prefer a rich and moist, but well-drained soil, enriched with sand. Water them regularly during the growth period (twice a week). However, avoid watering them afterwards. They fear excessive moisture in winter. This variety is hardy up to approximately -7 °C in sheltered exposure, it withstands drought quite well and particularly thrives by the seaside. Its foliage can be damaged from -3 ° C. A well-drained sandy mixture, slightly acidic, should be used. This plant seems to prefer shallow but wide containers and will flower abundantly if regularly fed with a slow-release fertilizer.

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Planting period

Best planting time April
Recommended planting time March to May

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container, Greenhouse, Conservatory
Hardiness Hardy down to -6°C (USDA zone 9a) Show map
Ease of cultivation Amateur
Planting density 3 per m2
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Rich and well-drained.

Care

Pruning No pruning necessary
Disease resistance Good
Overwinter Can be left in the ground

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