Silene Rosalyn - seeds
Silene Rosalyn - seeds
Silene Rosalyn F1
Campion, Catchfly
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Description
Silene 'Rosalyn' is a perennial Silene variety. Very floriferous, even in its first year, the plant produces an abundance of toothed, bright pink flowers, resembling propellers, on a compact, rounded bushy tuft. Plant it in borders, rockeries, flower beds and hanging baskets, which it will completely cover in flowers. It can be sown in place in spring or late summer in mild climates and thrives in full sun with well-drained soil.
Silene is an herbaceous plant, either annual or perennial, native to Europe, and requires very little maintenance. This plant belongs to the Caryophyllaceae family, related to carnations, with rapid growth and good hardiness, allowing it to be sown early in spring or even in autumn, in not-too-cold climates. The 'Rosalyn' variety is an interspecific hybrid (between two species), and as such, shows great hardiness, making it a perennial in USDA zones 5 to 9. It has been selected for its compact, rounded habit, and its abundant flowering, starting from the first year. The plant produces a basal tuft of small, linear to lanceolate, fairly light green leaves, measuring 1 to 3 cm (0 to 1in) long, with a velvety texture, from which sparsely leaved stems rise to a height of 15 cm (6in). At maturity, it reaches 35 cm (14in) in all directions. Flowering occurs during the summer, lasting for several weeks, from June to September. Each stem produces flowers measuring 1 to 2 cm (0 to 1in) in diameter, with 5 spatulate petals that curl at their tips. The bright pink corolla is surrounded at the base by a swollen calyx, marked with very visible purple veins. This flowering is followed by the formation of numerous fine seeds that germinate easily in light soil.
Silenes deserve to be grown more, as their small, shiny flowers and lightness are delightful. Perfect for summer flowering in borders, rockeries, and sunny flower beds, they are undemanding and require little care. Sown in naturalistic and wildflower borders, Silene 'Rosalyn' likes the company of grasses, especially Muhlenbergia capillaris with its pink spikes. In a rockery, in dry soil, it pairs well with catnip, Damask Nigella in pink, blue, or white, pastel-coloured Californian poppies, purple knapweed, ornamental carrot, and perennial flax. On a terrace or balcony, it spills over a pot or hanging basket and requires little maintenance.
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Flowering
Foliage
Plant habit
Botanical data
Silene
Rosalyn F1
Caryophyllaceae
Campion, Catchfly
Cultivar or hybrid
Planting and care
Sow the seeds of silene outdoors, in place, in March-April. Choose a sunny location on a well-drained, properly prepared and loosened soil. Sow the seeds finely, to a depth of 1 mm (0in), with a spacing of 30 cm (12in). Water regularly, especially during dry periods. Germination usually takes 14 to 21 days. When the silene plants are large enough to handle, transplant them 15 cm (6in) apart.
Another option is to sow indoors in cool climates or directly in place in mild climates, from August to September, for flowering in the following spring.
Sow the silene seeds on the surface of good quality compost at a temperature of 18-23°C (64.4-73.4°F), and cover with a pinch of very fine compost or vermiculite. Keep the sowing in the light, as it facilitates germination. When the seedlings are large enough to be moved, proceed with transplantation and grow them protected from the cold until the young plants are large enough to be moved outside. You will cultivate these blueberry plants in a frost-free location, before planting them in the ground in the following spring, or in pots.
Silene plants thrive in soils that are not too dry for good flowering, fertile, well-drained, light, properly loosened and in full 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).
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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.