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Miscanthus sinensis Sirene - Silvergrass

Miscanthus sinensis Sirene
Eulalia, Porcupine Grass, Chinese silver Grass, Maiden Grass, Zebra Grass, Susuki Grass

4,8/5
9 reviews
1 reviews
1 reviews
0 reviews
0 reviews

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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This plant carries a 12 months recovery warranty

More information

Value-for-money
This Miscanthus reaches a height of 2.5 meters (8 feet). It has an upright habit and its foliage changes, transitioning from bronze green with a white central vein to warm autumnal shades of red, orange, and yellow with the return of cold nights. This tall grass is covered in numerous mahogany-red inflorescences in September, which turn silvery-grey and fluffy.
Flower size
20 cm
Height at maturity
2.50 m
Spread at maturity
1.20 m
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time February to April, September to November
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Flowering time September to November
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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

Miscanthus sinensis Sirene - Silvergrass (Flowering) Flowering
Miscanthus sinensis Sirene - Silvergrass (Foliage) Foliage

Flowering

Flower colour red
Flowering time September to November
Inflorescence Panicle
Flower size 20 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 2.50 m
Spread at maturity 1.20 m
Growth rate normal

Botanical data

Genus

Miscanthus

Species

sinensis

Cultivar

Sirene

Family

Poaceae

Other common names

Eulalia, Porcupine Grass, Chinese silver Grass, Maiden Grass, Zebra Grass, Susuki Grass

Origin

Cultivar or hybrid

Product reference94531

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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.

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Planting period

Best planting time March to April
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow
Type of use Border, Container
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 3 per m2
Exposure Sun
Soil pH Neutral
Soil type Clayey (heavy), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Moist soil, Well-draining

Care

Pruning instructions Using secateurs or shears, prune the stems to 20 cm (8in) from the soil at the end of winter. In large gardens, use a hedge trimmer to prune more quickly.
Pruning Pruning recommended once a year
Pruning time March to April
Disease resistance Very good
Overwinter Can be left in the ground
4,8/5

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