Aster dumosus Silberblaukissen
Aster dumosus Silberblaukissen
Aster dumosus Silberblaukissen
Aster dumosus Silberblaukissen
Aster dumosus Silberblaukissen
Aster dumosus Silberblaukissen
Michaelmas Daisy, Dwarf aster
Lovely flowers and lovely foliage. The flowers lean more towards white than blue, unlike the photo, that's all.
Sarah , 19/03/2026
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Description
Aster dumosus 'Silberblaukissen' is a robust perennial. Between August and October, it transforms into a cushion of pale-blue flowers with silver reflections and yellow hearts, reminiscent of small daisies. The more or less trailing stump emits ramified stems, adorned with lanceolate, dark green and glossy leaves. It is a plant with a compact and sturdy habit, ideal for replacing summer perennials, in pots or borders.
Asters belong to the Asteraceae family, which mainly consists of herbaceous plants. Aster dumosus 'Silberblaukissen' is a medium-sized hybrid derived from Aster dumosus or New York Aster, native to the eastern half of the United States, from Texas to Florida, Maine and Wisconsin. This 50cm (20in) aster brings the garden to life in late summer and early autumn, covering its foliage with small pale-blue heads with yellow centres. The robust, dark green foliage is deciduous and composed of linear leaves, sometimes affected by powdery mildew.
Aster dumosus 'Silberblaukissen' thrives in sunny or slightly shaded positions in all rich and moist soils, even slightly dry ones. It is perfect for creating charming autumn scenes. Easy to grow, its 40 to 50 cm (16 to 20in) habit allows for the creation of colourful patches, combined with golden or coppery grasses , tall Sedum spectabile and heucheras in shades of purple. Its cousins, the chrysanthemums, enrich the beds of asters with vibrant colours, pink, purple, orange or white. Aster dumosus 'Silberblaukissen' also elegantly adorns rockeries, borders, or pots placed on window sills. It attracts many butterflies.
The genus Aster offers a large number of species, which themselves come in a wide variety of flowering varieties. They come in all sizes, with an extremely rich range of colours. Each season, there are several species to choose from, including Aster alpinus or A. tongolensis for spring asters, A. amellus or A. frikartii for summer asters, and A. cordifolius, A. dumosus, A. ericoides, A. lateriflorus, A. novae-angliae, or A. novi-belgii for autumn asters.
Aster dumosus Silberblaukissen in pictures
Flowering
Foliage
Plant habit
Botanical data
Aster
dumosus
Silberblaukissen
Asteraceae
Michaelmas Daisy, Dwarf aster
Symphyotrichum dumosus
Cultivar or hybrid
Planting and care
Plant in autumn or spring in a flower bed or border, in rich soil that is not too dry or wet. It prefers a sunny exposure but can tolerate partial shade. In a flower bed, leave at least 40cm (16in) between each plant. Mulch the soil from the end of spring and water in case of drought, being careful not to wet the foliage to limit the appearance of powdery mildew to which asters are susceptible. At the end of flowering, cut back the clump to 10cm (4in). Divide the clumps every 2 to 3 years to maintain vigorous plants that are more resistant to powdery mildew.
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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