Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus hybridus Double Black
Helleborus x hybridus Double Black
Lenten Rose, Oriental Hellebore
Superb!! Thank you promesse de fleurs. Two young plants bought in good health. Small, but a bud flowered. The flower is just magnificent! I am more than delighted.
IV, 15/02/2026
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Description
Helleborus x hybridus 'Double Black' produces double flowers which are almost black. They bear silky reflections in shades of purple or slate blue and are adorned with a heart of pale, almost white, stamens. It is a robust and very hardy perennial, easy to grow in all our regions, even in heavy soil. Combine its dark flowers with pink, white, apricot, solid or speckled blooms, under bushes, in the undergrowth, or to decorate the north side of the house. Christmas roses create beautiful flowering pots that will brighten up the gloomy days of winter.
Originally from Greece, Turkey, and central and eastern Caucasus, the oriental hellebore, sometimes called Christmas rose, is a perennial plant of the Ranunculaceae family. It hybridises very easily with other species to produce, through random sowing, plants with varied colours and forms, so much so that no variety names are given to these hybrids. They are distinguished by shape and colour characteristics. The oriental hellebore is a hardy plant that can withstand temperatures as low as -15°C (5°F), naturally growing in forests, thickets, and clearings up to 2,000m (7ft) above sea level. The 'Double Black' form develops into a compact and leafy clump measuring 40cm (16in) in all directions. It is composed of palmate basal leaves, which are slightly toothed, dark green and shiny. These are evergreen leaves, 30 to 40cm (12 to 16in) long, composed of 7 to 9 leaflets. They only live for 8 months and are regularly replaced by new leaves.
Between February and April, a bouquet of double flowers measuring 4 to 5cm (2in) in diameter forms. These are cup-shaped and inclined flowers, with several rows of petals, which is a characteristic of this group of hybrids. They incline downwards, allowing water to slide off like an umbrella. This protects the heart of the flower from rotting. Hellebore is a bushy plant. It does not like to be moved once established, with young shoots sometimes taking time to bloom. The seeds are sown by ants.
Use hellebores like elements of an old tapestry, mixing them with brightly coloured woodland plants. They are well highlighted when planted near pieris, small-sized rhododendrons, under conifers (especially on windy sites), and surrounded by primroses, wood anemones, corydalis, dicentras, cardamines, or spring-flowering bulbs and snowdrops. You can also accompany them with ferns and shade iris to create a beautiful contrast a little later in the season. They can be planted in groups, like a bouquet, near the entrance of the house, in shaded areas, to enjoy their early flowering up close. They are suitable as cut flowers and in flower beds, borders, or even planters. Hellebore flowers do not wither like most flowers. Instead, they dry up.
Each hellebore, resulting from a sowing, is unique in flower colour, so slight variations in colour may exist between two plants. This is normal and inevitable. However, if the difference is too significant and detracts from the desired effect, we will refund or replace the affected plant.
Helleborus hybridus Double Black in pictures
Flowering
Foliage
Plant habit
Botanical data
Helleborus
x hybridus
Double Black
Ranunculaceae
Lenten Rose, Oriental Hellebore
Cultivar or hybrid
Planting and care
It grows in any rich, light or clayey, neutral to acidic soil. Plant in partial or light shade, sheltered from cold and dominant winds. Special care should be taken to avoid direct sunlight during the hottest hours in warm and sunny regions. This perennial should be planted from early autumn to spring, between February and April. It thrives in deeply worked soil mixed with organic matter. To fertilise, use bone meal or another organic fertiliser. Water the plants well after planting and then add a layer of mulch 2 to 5cm (1 to 2in) thick. Regularly remove faded leaves to improve flowering. Maintain a planting distance of 30 to 40cm (12 to 16in) between each plant to promote their 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, known as black spot disease. Remove old leaves from deciduous species or stained leaves from evergreen species when flower buds appear. Remove faded flowers after seed fall. They can also suffer from grey rot or die from collar rot. This often occurs due to poor growing conditions, in excessively wet situations.
On a balcony or patio, plant them in pots that are 4 to 5 times larger than the plants, as they need space to develop their root system. Very hardy, most hellebores can withstand negative temperatures down to -15°C (5°F) without suffering, allowing them to adapt to almost all regions.
Planting period
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Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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