Lychnis chalcedonica Alba
Lychnis chalcedonica Alba
Lychnis chalcedonica Alba
Lychnis chalcedonica Alba
Lychnis chalcedonica Alba
Maltese-cross, Scarlet Lychnis
Hello, Following this order, I have carried out the planting, but for the moment, the young plant is emerging slowly. Waiting for results. Thank you
Brigitte, 07/04/2023
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Description
The Lychnis chalcedonica Alba, also known as the Jerusalem Cross or Lychnide, is a beautiful white form of this perennial herbaceous plant with summer flowering. The umbels are composed of multiple small flowers of pure white that bloom from June to August, and again in September if you take care to remove the faded flowers. A highly appreciated upright plant in the background of flower beds, the 'Maltese Cross' planted en masse will attract all eyes in borders and bouquets.
The Lychnis chalcedonica is a short-lived perennial plant from the family Caryophyllaceae, native to Eastern Europe, Central and Eastern Russia (Kazakhstan, Mongolia), and northwest China. This species is the only one in its genus that appreciates constantly moist soils and can withstand very cold winters. 'Alba' is a selected form for its white flowers. By observing its small flowers gathered in umbels, you will notice five petals, the upper part of which is slightly divided in two, which is why it is called the Maltese Cross or Jerusalem Cross. The inflorescence is composed of 15 to 30 flowers, each 2 cm (1in) in diameter. The stem of this Lychnis is erect, covered with dense hairs, and bears an umbel at its tip. Its lanceolate and opposite leaves, rather thick, are light and vivid green in color. Its habit, not very bushy, will encourage you to plant it in groups to enhance the overall effect. Its tall size, reaching up to 90 cm (35in) in height, makes it suitable for the middle or back of flower beds. It prefers rather moist soils and will thrive in full sun in cold regions. In rich soil, it may self-seed.
The Lychnis chalcedonica Alba is one of the summer flowers that best complements the brilliant color of the wild species, an intense red. Planted together, these two plants will form an elegant and perfectly complementary combination. Easy to mix with other flowers, this white Lychnis will naturally fit into a multicolored ensemble composed of wildflowers: daisies, centaureas, poppies, and grasses will be charming in its company. An excellent perennial plant used in gardens for a long time, the Jerusalem Cross, a bit outdated despite all its qualities, is inseparable from cottage gardens.
Lychnis chalcedonica Alba in pictures
Flowering
Foliage
Plant habit
Botanical data
Lychnis
chalcedonica
Alba
Caryophyllaceae
Maltese-cross, Scarlet Lychnis
Eastern Europe
Planting and care
Unlike other species of Lychnis, Lychnis chalcedonica prefers soils that remain moist and does not tolerate drought well. Plant it in autumn or spring in groups of 5 plants spaced 15 to 20 cm (6 to 8in) apart for a spectacular effect, in full sun in the northern regions of France, and in partial shade elsewhere. The soil should be fertile; if necessary, enrich the soil with compost and powdered horn that you place at the bottom of the planting hole to promote the establishment and growth of this demanding plant. During the season, apply a little fertilizer at its base to stimulate flowering. In summer, monitor watering so that the soil never completely dries out, and apply mulch if necessary.
It may be useful to stake this lychnis from the end of spring, as the stem tends to bend under the weight of the umbels. Remove faded flowers as they appear to promote the formation of new buds and extend the flowering period by a few weeks. Cut back the foliage in October to 20 cm (8in) above the ground to encourage the plant to produce fresh new foliage.
Planting period
Intended location
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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