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Helleborus HGC Linn

Helleborus x lemperii HGC® Linn
Christmas Rose, Hybrid Hellebore

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Hellebore with truly large pure white flowers.

MaDo, 06/02/2024

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This plant carries a 12 months recovery warranty

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Resulting from the unlikely union between the Christmas rose, Helleborus niger, and the Lenten rose, Helleborus orientalis, this remarkable recent creation captivates with its endless, large, single white-cream flowers, from November to April. This robust and hardy perennial can be grown in borders, under shrubs, and in pots. Easy to grow even in heavy soil, it thrives in shade or non-scorching sun. Excellent as a cut flower.
Flower size
10 cm
Height at maturity
30 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 HGC Linn is a superb recent creation from the unlikely alliance between the Christmas rose, Helleborus niger, and the Lenten rose, Helleborus orientalis. It combines the qualities of its parents with a fantastic 5-month flowering period from autumn to spring. Its large and luscious flowers are very bright creamy white. This hardy and very robust perennial can be grown in borders, under bushes, or in pots. Easy to grow in all regions, even in heavy and chalky soil, it thrives in shade or non-burning sun. Its flowers are beautiful and precious in winter bouquets.

Hybridization between Helleborus niger and Helleborus orientalis seemed impossible until now. However, this crossbreeding was 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 including Helleborus HGC Linn, a perennial herbaceous plant with evergreen foliage, belonging to the Ranunculaceae family. This variety forms a clump 50 to 60 cm (20 to 24in) tall spreading a minimum of 50 cm (20in) and stands out for its long continuous flowering period, from November to April. Its abundant flowers proudly stand above beautiful glossy foliage, showing a green heart with yellow stamens. 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 evergreen, palmate, slightly toothed, dark green and shiny 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 and young plants take a little time to flower. The seeds are sown by ants.

Use Hellebores like elements of an ancient tapestry, mixing them with woodland plants in brighter colours. They are highlighted when planted near Pieris, small-sized rhododendrons and 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 plant them with Ferns and shade-loving irises to create a beautiful contrast a little later in the season. They can be planted in groups near the entrance of the house, in shaded areas, to enjoy their early flowering up close. They are suitable as cut flowers and in borders, beds, or containers... Over time, the flowers of the Hellebore do not wither like the majority of other flowers, but dry up instead.

Helleborus HGC Linn in pictures

Helleborus HGC Linn (Flowering) Flowering

Flowering

Flower colour white
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 30 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Helleborus

Species

x lemperii

Cultivar

HGC® Linn

Family

Ranunculaceae

Other common names

Christmas Rose, Hybrid Hellebore

Origin

Cultivar or hybrid

Planting and care

Hellebore grows in any deep, rich, light, clayey or limestone soil, in partial or light shade, sheltered from cold and prevailing winds. Avoid direct sunlight during the hottest hours in the south. Plant from early autumn to spring, between February and April. It thrives in deeply dug soil mixed with organic matter. To feed, use bone meal or other 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. Maintain a planting distance of 30 to 40 cm (12 to 16in) between each plant to promote their development. Hellebore does not like stagnant water, as it may cause it to rot.

The roots should not completely dry out during summer. Hellebores can be affected by a fungal disease transmitted by aphids, called black spot. Remove old leaves from deciduous species or spotted leaves from evergreen species when 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.

On a balcony or terrace, plant them in pots 4 to 5 times larger than their size, as they need space to develop their root system. Most Hellebores can withstand temperatures down to -15°C (5°F) without suffering, allowing them to adapt to almost all regions. Hellebores are undemanding plants that can live for many years without requiring much care.

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 have fallen.
Pruning Pruning recommended once a year
Disease resistance Good
Overwinter Can be left in the ground
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