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Helleborus Walbertons Rosemary

Helleborus niger x orientalis Walberton's Rosemary (Walhero)
Lenten Rose

4,9/5
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I planted this hellebore in the Paris region in September 2022. By the end of December 2023, its buds are just emerging from the ground, so it will truly be in bloom around mid-January. On Instagram, I've seen blooming plants as early as mid-December. Conclusion: planted under normal conditions in open ground, I doubt that this hellebore can flower in November; it is therefore not particularly early. Apart from this caveat, it is a lovely variety.

Jérôme , 27/12/2023

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This plant carries a 12 months recovery warranty

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Value-for-money
This remarkable novelty keeps on flowering abundantly, from November to April, on very beautiful foliage of deep green. Its star-shaped flowers, well presented to the eye, range from light pink veined with white to rich and brilliant salmon tones before slowly turning green. The Christmas rose is a hardy perennial, which can be grown both in borders and under bushes, mixed borders, as well as in pots. Easy to grow, even in heavy soil, in shade or non-burning sunlight.
Flower size
10 cm
Height at maturity
30 cm
Spread at maturity
50 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -23°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

The Hellebore or Helleborus Walberton's Rosemary (Walhero) is a wonderful plant born in England from the alliance between the Christmas rose, Helleborus niger, and the Lenten rose, Helleborus orientalis. Combining the qualities of its parents, this excellent novelty offers a fantastic flowering that lasts 5 months, from autumn to spring. Its flowers, well displayed, are stars that gradually change from pink veined with white to salmon tones before slowly turning green. This robust and very hardy perennial can be planted both in borders and under shrub beds, mixed borders, as well as in pots. Its flowers are very beautiful and precious in winter bouquets.

 

Helleborus Walberton's Rosemary is an evergreen herbaceous perennial plant, belonging to the family of ranunculaceae. Forming a clump 30cm (12in) tall and spreading over 50cm (20in) at minimum, this sterile variety, which does not produce seeds, stands out for the abundance and especially the duration of its continuous flowering, which starts in November and ends in April. Its abundant flowers proudly stand above beautiful glossy foliage, offering their yellow stamens to passers-by. They are composed of 5 petals with irregular edges, tapered to a point, arranged in an open cup. Born from dark pink buds, they bloom in light pink veined with white and speckled with dark pink, then gradually change colour and age beautifully. The foliage is composed of palmate basal leaves, slightly dentate, dark green and shiny. They are evergreen leaves 30 to 40cm (12 to 16in) long, composed of 7 to 9 leaflets. They actually only live for 8 months and are regularly replaced by new leaves. Hellebores do not like to be moved once established, the young shoots taking some time to flower. The seeds are sown by ants.

 

Use hellebores as elements of an ancient tapestry, mixing them with brightly coloured woodland plants. They are well highlighted when planted near Pieris, small-sized rhododendrons in acidic soil, and under conifers (especially in windy locations). Also mix them with primroses, bleeding hearts, lungworts, foxgloves, or spring-flowering bulbs: crocuses, daffodils, snowdrops... You can also accompany them with ferns and shade irises to create a beautiful contrast a little later in the season. They can also be planted in groups, like a bouquet, near the entrance of the house, in shaded areas, to enjoy their early flowers up close. They are suitable both as cut flowers and in borders, beds, or even containers... Over time, the flowers of the Hellebore do not fade like the majority of other flowers but dry up.

Helleborus Walbertons Rosemary in pictures

Helleborus Walbertons Rosemary (Flowering) Flowering

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 30 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Helleborus

Species

niger x orientalis

Cultivar

Walberton's Rosemary (Walhero)

Family

Ranunculaceae

Other common names

Lenten Rose

Origin

Cultivar or hybrid

Other Oriental Hellebore

  1. Out of stock
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  2. Out of stock
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  3. Out of stock
    From 17,90 € 2L/3L pot

  4. Out of stock
    From 17,90 € 2L/3L pot

Planting and care

The Hellebore grows in any deep, rich, light or clay soil, even on limestone subsoil, in partial or light shade, while being sheltered from cold and prevailing winds. This perennial can be planted from early autumn to spring, between February and April. It thrives in deeply cultivated soil mixed with organic matter. To fertilize, use bonemeal or another organic fertilizer. 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. Ensure 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 dry out completely in summer. Hellebores can be affected by a fungal disease transmitted by aphids, called black spot disease. Remove the old leaves of deciduous species or the stained leaves of evergreen species when the flower buds appear. Remove faded flowers after the seeds have fallen. 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 terrace, plant them in pots 4 to 5 times larger than their size, as they need space to develop their root system. Very hardy, most Hellébores can withstand temperatures as low as -15°C without suffering, allowing them to adapt to a wide range of areas. Mostly native to the circum-Mediterranean 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 -23°C (USDA zone 6a) 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, ordinary, fertile.

Care

Pruning instructions Remove the old leaves from deciduous species or the stained leaves from evergreen species, when the flower buds appear. Remove the faded flowers after the seeds drop.
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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