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Helleborus hybridus ViV Alessandra

Helleborus x hybridus ViV Alessandra
Lenten Rose, Oriental Hellebore

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Alessandra will delight pastel enthusiasts with its beautiful single flowers in a light pink shade. This Oriental Hellebore blooms from the heart of winter until early spring, bringing light to the garden. The open cup-shaped corollas are enhanced with a yellow heart from which a bouquet of stamens emerges. Rising prominently above the dark green foliage that highlights them, they are clearly visible and very aesthetic. The evergreen leaves are highly decorative with their deep cut; they form a compact clump ideal for container cultivation. This hardy perennial can also be planted in the ground, in moist soil and a shaded position.
Flower size
6 cm
Height at maturity
40 cm
Spread at maturity
40 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -18°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time January to March, September to December
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Flowering time January to March
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Description

Alessandra is a variety of Oriental Hellebore with flowers as romantic as its name. Flowering in the heart of winter for long weeks, this Lenten Rose produces simple flowers, of a pastel pink, illuminated with a yellow stamen heart. These charming flowers, in the shape of a flared cup, stand out well above the dark green foliage, which accentuates them. The deeply cut, evergreen leaves are sculptural and form a stout tuft, as wide as it is tall, decorative all year round. This Hellebore is a robust and hardy perennial, easy to grow in all regions. It prefers neutral to alkaline soils, but it also tolerates some acidity. It mainly needs moisture and protection from bright sun and can be grown in a pot.

Hellebore Alessandra is a member of the Ranunculaceae family, which has about sixty genera and around 2500 species. Many of them are poisonous and contain substances which are toxic if ingested - a natural protection to prevent them from being grazed by herbivores. Despite this, they are valuable plants in the garden, as many genera are very ornamental thanks to their remarkable flowering, such as Anemones, Buttercups, Trolls, Aconites, and many others, including Clematis. The species Helleborus orientalis is native to Greece, Turkey, and the centre and east of the Caucasus. It is a perennial plant that hybridizes very easily with other species to produce many hybrids with varied colours and shapes. These hybrids are rarely given variety names; they are distinguished by their shape and colour. The hybrid Hellebore is a hardy plant that can withstand temperatures down to -15°C (5°F), naturally growing in forests, thickets, and clearings up to 2,000m (2,187 yards) altitude.
Alessandra is a variety that comes from a Belgian company specializing in the in vitro propagation of Hellebores. This method of propagation ensures the perfect transmission of genes and the stability of the species, which are all perfectly identified by their name as a result. Alessandra is part of a large collection of hybrids selected for their compactness and floribundance. This variety forms a clump 35 to 45 cm (14 to 18in) high and wide, and this limited growth makes it easy to grow in a pot to decorate a balcony or terrace. In the garden, it will be decorative all year round with its compact habit and sculptural appearance. Its vegetation consists of palmate, slightly toothed, dark green and glossy, evergreen basal leaves which only live for 8 months and are regularly replaced by new leaves. Their artistic shape is particularly decorative throughout the year.
Alessandra blooms during a dreary period characterized by short days and low light. Its light flowering is therefore particularly appreciated to liven up a bed from January to early spring. Its simple flowers consist of 5 petals that form a flared corolla, in a beautiful pastel pink, with discreet small dots. The yellow heart from which the stamens emerge adds an additional attraction to these bright flowers. They are also magnified by the dark background of the foliage, above which they rise gallantly to allow us to admire them even better. As with most varieties, these romantic flowers are arranged in a vertical plane, or even slightly inclined downwards, to let water slide off like an umbrella, avoiding accumulation in the centre that could cause rotting. Hellebore does not like to be moved once established, with young plants sometimes taking time to flower. Choose their location carefully.
This perennial adapts to neutral to moderately alkaline soils, or even slightly acidic, preferably rich, and moisture-retaining, although an established plant can withstand dry conditions. However, make sure the soil is well-drained, as Hellebore does not tolerate excess water in winter. It will be at its best under a leafy tree, which allows winter sun to pass through but protects it from the bright summer sun. Its compact habit  allows it to make a superb flowering pot to decorate a balcony or terrace.

Hellebores are essential for bringing joy in winter, at a time when flowers are rare in the garden. Alessandra will therefore be well-placed in a decorative winter bed where you can plant it alongside other varieties of Hellebores as well as bushes in the background to add volume. Sarcococca hookeriana is a low-growing bush that is relatively unknown despite its many advantages, including beautiful dark green and shiny evergreen foliage and highly perfumed white flowers in the middle of winter, followed by decorative black fruits the following summer. Measuring less than 1m (3ft) in height, you can plant it just behind your Hellebore border, to support it in the background, Golden King Aucuba japonica will provide the bright contrast of its abundantly speckled yellow foliage.

Flowering

Flower colour pink
Flowering time January to March
Inflorescence Solitary
Flower size 6 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Plant habit

Height at maturity 40 cm
Spread at maturity 40 cm
Growth rate normal

Safety measures

Potential risks Plant may be toxic if swallowed

Botanical data

Genus

Helleborus

Species

x hybridus

Cultivar

ViV Alessandra

Family

Ranunculaceae

Other common names

Lenten Rose, Oriental Hellebore

Origin

Cultivar or hybrid

Product reference1746111

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Planting and care

Oriental Hellebore Alessandra grows in any neutral to moderately chalky soil, or even slightly acidic, rich, light or clayey, in partial or light shade, if possible sheltered from cold and dominant winds. Avoid direct sunlight during the hottest hours by choosing a shaded (partially shaded in the north) exposure. This perennial can be planted from early autumn to spring. It thrives in deeply worked soil mixed with organic matter. To feed it, use bone meal or another organic fertilizer. Water well after planting and add a layer of mulch 2 to 5 cm (1 to 2in) thick. Regularly remove faded leaves to improve flowering. Make sure to respect a planting distance of 30 to 40 cm (12 to 16in) between each plant to promote their development. Hellebore does not tolerate stagnant water as it may cause rotting.

The roots should not completely dry out in summer. Hellebores can be affected by a fungal disease transmitted by aphids, called black spot. Remove any stained leaves when the flower buds appear. Remove faded flowers after seeding. They can also suffer from grey rot or die from collar rot due to poor growing conditions, in excessively wet situations.

You can also plant this perennial in a pot on a balcony or terrace, as its compact habit is well suited for this. However, choose a sufficiently large pot for its root system to develop properly. This Hellebore can withstand negative temperatures down to -15°C (5°F) or even lower, allowing it to adapt practically anywhere.

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Planting period

Best planting time March, October
Recommended planting time January to March, September to December

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Amateur
Planting density 6 per m2
Exposure Partial shade, Shade
Soil pH Neutral, Calcareous
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, rich in humus and light

Care

Pruning instructions Remove any stained leaves when the flower buds appear. Remove faded flowers after the seed has fallen.
Pruning Pruning recommended once a year
Pruning time January to March
Disease resistance Good
Overwinter Can be left in the ground

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