Delphinium belladonna Cliveden Beauty seeds - Larkspur
Delphinium belladonna Cliveden Beauty seeds - Larkspur
Delphinium (x) belladonna Cliveden Beauty
Larkspur, Belladonna Larkspur
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Description
Delphinium belladonna 'Cliveden Beauty' is a variety of perennial larkspur renowned for its magnificent sky-blue flowers. More robust and easier to grow than other delphiniums, this selection is particularly appreciated in cottage-style gardens or for cut flowers. The plant also stands out for its ability to bloom multiple times during the summer and its good resistance to the wind. This larkspur blooms from the first year. Use it to create beautiful bouquets!
A hybrid of Delphinium elatum and D. grandiflorum, the 'Cliveden Beauty' variety was bred in the 1930s. This perennial plant reaches a moderate height, about 70 cm, and its flexible stems are less susceptible to wind. It develops branched stems on which light clusters of sky-blue flowers with turquoise highlights and a white throat flourish. The flowers, approximately 4 cm in diameter, appear at least twice a year, in June-July and then in September-October, provided that faded flowers are removed. Its green foliage is beautifully palmate and cut and forms a beautiful ensemble with the delicacy of the inflorescences. The airy vegetation is deciduous, drying up in autumn and re-emerging in spring. The rootstock can withstand temperatures down to -34°C. This plant grows from a woody rhizome that plunges vertically into the soil, which should be flexible and deep enough to accommodate it.
Delphiniums prefer moist and rich soils, but they dislike having their roots in heavy, waterlogged soil. They do not mind harsh winters and thrive in full sun. If you provide them with good conditions, they will prove very loyal in the garden. The 'Cliveden Beauty' larkspur can lean on other plants in a border, especially grasses like pennisetum, lupins or polychrome euphorbias. It is a delicate-looking delphinium that pairs perfectly with clustered bush roses or tree peonies.
Belladonna hybrid delphiniums allow you to fully appreciate these flowers and will come up in the same place for several years, without the need to distribute slug deterrents every day.
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Flowering
Foliage
Plant habit
Safety measures
Botanical data
Delphinium
(x) belladonna
Cliveden Beauty
Ranunculaceae
Larkspur, Belladonna Larkspur
Delphinium Belladonna Improved
Cultivar or hybrid
ingestion
Cette plante est toxique si elle est ingérée volontairement ou involontairement.
Ne la plantez pas là où de jeunes enfants peuvent évoluer, et lavez-vous les mains après l'avoir manipulée.
Pensez à conserver l'étiquette de la plante, à la photographier ou à noter son nom, afin de faciliter le travail des professionnels de santé.
Davantage d'informations sur https://plantes-risque.info
Planting and care
Sow the seeds of Delphinium 'Cliveden Beauty' directly outdoors from April to May, in full sun, in a fertile, light, well-drained soil that has been well loosened beforehand. Bury the fine seeds to a depth of 6 mm in small holes spaced 30 cm apart. Keep the soil moist by watering regularly, especially during dry periods. Germination generally takes 14 to 21 days. When the seedlings are large enough to handle, thin them out by planting only one young plant every 15 cm.
For earlier flowering, sow Delphinium seeds from August to October in 7.5 cm pots in a good quality soil kept moist. Place the pots in a propagator or inside a plastic bag at a temperature of 15-20°C until germination. Once the seedlings have developed, place them in a bright, but cooler location. Overwinter the plants in a cool, bright place, protected from frost, watering them sparingly. Transplant them to their final location in the following spring. Water regularly until the plants are fully established.
Remove faded flowers to encourage renewed flowering. Delphiniums thrive in sunny locations, sheltered from the wind, as well as in fertile soil, rich in organic matter and well-drained. Soil that is too wet or too dry is detrimental to the growth and flowering duration of the larkspur.
Delphinium belladonna 'Cliveden Beauty' can be planted in spring and autumn in the ground or in a container. Make sure the container is large enough to accommodate it (50 cm x 50 cm) and keep it away from strong winds in this case. Delphiniums are easy to grow but do have some essential requirements: they dislike heavy and wet soils, as well as dry and poor soils. The soil that suits them best is good black soil, rich in humus, non-compact, moist, even in summer, but not waterlogged in winter. They also enjoy being in the sun.
Sowing period
Intended location
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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