Miscanthus sinensis Sirene - Silvergrass
Miscanthus sinensis Sirene - Silvergrass
Miscanthus sinensis Sirene
Eulalia, Porcupine Grass, Chinese silver Grass, Maiden Grass, Zebra Grass, Susuki Grass
Planted in 2020 near the terrace. They have settled well but are less developed than the Emmanuel Lepage variety. Beautiful screen that protects us from the wind and prying eyes.
LB, 12/02/2025
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Description
Miscanthus sinensis 'Sirene' reaches a height of 2.5 meters (8 feet). It has an upright habit and its foliage changes from bronze green to warm autumn shades of red, orange, and yellow. In September, numerous crimson inflorescences rise among the foliage, then turn silvery grey and fluffy. These inflorescences are perfect for dried bouquets. Miscanthus is easy to grow in any ordinary soil, not too dry or wet, in full sun.
Miscanthus sinensis 'Sirene' belongs to the Poaceae family. It is a horticultural selection derived from Miscanthus sinensis, native to East Asia and Oceania. This grass with short rhizomes grows in a non-running clump, it is clump-forming. The habit is both upright and trailing, reaching a height of 2.5 meters (8 feet) and a spread of 1.2 meters (4 feet). The leaves are narrow, very long, very flexible, initially bronze green then reddish-copper to yellow in autumn, straw-coloured in winter. Long floral stems emerge from the foliage from September to November, in the form of digitate and silky spikes measuring 20 to 30 cm (8 to 12in) in length, dark red-crimson. As they fade, they take on a silvery hue. The plumes remain on the plant for much of the winter, retaining a decorative appearance.
The strong presence of Miscanthus sinensis provides a beautiful structure and a lot of grace to large borders. They are suitable for both wild environments and contemporary gardens that require structure. Miscanthus is perfect as a windbreak or privacy screen. When planted as a hedge, they create a barrier to isolate part of the garden. They add volume and texture, creating a natural transition to the open areas, the street, or the neighbour's garden. In urban areas, Miscanthus sinensis 'Sirene' softens concrete structures but also fits well in linear settings. For autumn, plant your Miscanthus near a Cornus or Cercidiphyllum and some asters, for example, add the foliage of an astilbe, and the colours of this composition will make you forget the approaching winter. Growing them in large containers is also possible. Lastly, this Miscanthus sinensis is perfect for creating beautiful dried bouquets.
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Miscanthus sinensis Sirene - Silvergrass in pictures
Flowering
Foliage
Plant habit
Botanical data
Miscanthus
sinensis
Sirene
Poaceae
Eulalia, Porcupine Grass, Chinese silver Grass, Maiden Grass, Zebra Grass, Susuki Grass
Cultivar or hybrid
Planting and care
Miscanthus sinensis 'Sirene' thrives in warm positions and requires a healthy, fairly rich and deep, well-drained but moisture-retentive soil. This plant can tolerate occasional drought if the soil is deep. It can adapt to poor soil, but it will be less imposing and its growth will be slower. It is best to cut back the foliage to ground level in early spring, after the harshest frosts have passed. For container planting, choose a large container (minimum 45 L) filled with a fertile, well-draining and flexible growing medium. A mixture composed of 20% good garden soil, 20% pumice or gravel or coarse river sand, and 60% horticultural compost. Apply well-decomposed compost once or twice a year (end of winter and autumn) or slow-release fertiliser. When it becomes less floriferous, divide the clump and replant the peripheral shoots.
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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.