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Helleborus lemperii HGC Winter Ballet Karli

Helleborus x lemperii HGC® Winter Ballet Karli 'HL 1026' ℗
Christmas Rose, Hybrid Hellebore

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Resulting from the unlikely union between the Christmas rose, Helleborus niger, and the Lenten rose, Helleborus orientalis, this collection offers hybrids with flowers that last for 5 months, in vibrant colours, with large open and visible flat cups. This one is a particularly captivating very bright purple. It is hardy and very robust and can be grown as a border plant, under shrubs, in mixed borders, and in pots. It is easy to grow, even in heavy soil, and thrives in shade or non-scorching sun. Excellent as a cut flower.
Flower size
10 cm
Height at maturity
55 cm
Spread at maturity
50 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -29°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 April, November to December
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Description

Helleborus x lemperii HGC Winter Ballet Karli is part of a collection of hybrids with high ornamental value and fantastic growing performance. It came from the previously unthinkable alliance between Christmas rose, Helleborus niger, and Oriental Hellebore, Helleborus orientalis. This plant combines the qualities of these two species and offers a long flowering period of 5 months, from November to April. Its large purple-pink flowers are bright, vibrant, and rich. It is robust and hardy and thrives even in heavy and chalky soil, in shade or non-scorching sun. It will be admired in borders, under winter shrubs, in pots and as a cut flower.

The hybridization between the Christmas rose and the Oriental Hellebore seemed impossible until now. However, this crossbreeding has been successfully carried out at the Jardins de Bellevue in Beaumont-le-Hareng, Normandy, by Martine and Lucie Lemonnier. Since this first success, other cultivars have appeared like Hellebore x lemperii HGC Winter Ballet Karli, a perennial herbaceous plant with evergreen foliage, belonging to the ranunculaceae family. Forming a clump 50 to 60 cm (20 to 24in) tall and spreading over a minimum of 50 cm (20in), this variety stands out for its long continuous flowering from November to April. Its abundant flowers proudly stand above beautiful glossy foliage, showing their yellow stamen hearts. They measure more than 15 cm (6in) in diameter and are composed of 5 rounded petals arranged in an open cup. The foliage consists of palmate, slightly toothed, dark green and shiny, evergreen basal leaves 30 to 40 cm (12 to 16in) long, composed of 7 to 9 leaflets. They only live for 8 months and are regularly replaced by new leaves. Hellebore does not like to be moved once established, as the young plants take some time to flower. The seeds are sown by ants.

Use hellebores as elements of an ancient tapestry, mixing them with more vibrant-coloured woodland plants. They are beautifully highlighted near Pieris, small-sized rhododendrons or under conifers (especially on wind-exposed sites). Surround them with primroses, wood anemones, Corydalis, Dicentras, Cardamines, or spring-flowering bulbs and Snowdrops. You can also accompany them with Ferns and shade-loving iris to create a beautiful contrast a little later in the season. They can be planted in groups near the entrance of the house, in a shaded area, to fully enjoy their early flowering. They are suitable as cut flowers and in borders, edges, or even containers... Over time, the flowers of the Hellebore do not wither like the majority of other flowers, but dry up.

Flowering

Flower colour pink
Flowering time January to April, November to December
Inflorescence Solitary
Flower size 10 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Plant habit

Height at maturity 55 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Helleborus

Species

x lemperii

Cultivar

HGC® Winter Ballet Karli 'HL 1026' ℗

Family

Ranunculaceae

Other common names

Christmas Rose, Hybrid Hellebore

Origin

Cultivar or hybrid

Product reference19273

Planting and care

Hellebore grows in any deep, rich, light or clayey, even limestone soil, in partial or light shade, sheltered from cold and prevailing winds. Avoid direct sunlight during the hottest hours in the south. This perennial can be planted from early autumn to spring, between February and April. It thrives in deeply worked soil mixed with organic matter. Feed with bone meal or another organic fertiliser. Water well after planting and then add a layer of mulch 2 to 5 cm (1 to 2in) thick. Regularly remove faded leaves to improve flowering. Ensure a planting distance of 30 to 40 cm (12 to 16in) to promote development. Hellebores do not tolerate stagnant water as it may cause them to rot.

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

On a balcony or terrace, plant them in pots 4 to 5 times larger than they are, as they need space to develop their root system. Most hellebores are very hardy and can withstand temperatures down to -15°C without suffering, allowing them to adapt to almost all regions. Mostly originating from circum-Mediterranean regions, Hellebores are undemanding plants that can live for many years without needing much care.

16
€14.50 Each
6
€19.50

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
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 5 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

Care

Pruning instructions Remove the old leaves from deciduous species or the stained leaves from evergreen species, when the flower buds appear. Remove faded flowers after the seeds fall.
Pruning Pruning recommended once a year
Disease resistance Good
Overwinter Can be left in the ground

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