Maiden Grass. A robust tall grass with very narrow grey-green with pale silver-green midribs. Silvery white spikelets. Height 1.5m to 2.2m. Spread 1.4m. Flowers October to November. Full sun. Hardy.
Miscanthus sinensis ‘Gracillimus’, commonly known as Maiden Grass, is a stunning ornamental grass with narrow grey-green foliage and elegant silvery-white flowers that appear in autumn. Growing to a height of 1.5m to 2.2m with a spread of 1.4m, this graceful, arching grass is perfect for adding texture and movement to borders, beds, and containers. Its hardy nature makes it a reliable choice for year-round interest, while its drought tolerance ensures minimal maintenance once established.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: The best time to plant Miscanthus sinensis ‘Gracillimus’ is in spring, allowing ample time for root establishment before the growing season begins. Planting in warm soil encourages robust growth and ensures the plant is well-anchored before autumn.
Autumn: Alternatively, planting Miscanthus sinensis ‘Gracillimus’ in early autumn provides enough time for root development before winter dormancy. This helps the plant settle in, leading to a stronger start in spring.
Site Selection
Sunlight: Miscanthus sinensis ‘Gracillimus’ thrives in full sun and requires at least six hours of direct sunlight per day for optimal growth and flowering. Choose a location with ample light exposure to encourage healthy foliage and flower production.
Soil: This ornamental grass prefers well-drained soil and adapts well to various soil types, including sandy and loamy soils. If the soil retains excessive moisture, improve drainage by adding organic matter or grit to prevent root rot.
Planting Instructions
Prepare the Hole: Dig a hole twice the width of the root ball and of equal depth to allow room for root expansion.
Soil Preparation: Incorporate organic matter such as compost to enhance soil fertility and drainage. Well-draining soil is essential to prevent waterlogging, which can damage roots.
Planting: Position Miscanthus sinensis ‘Gracillimus’ in the hole, ensuring the crown sits at soil level. Backfill with soil, firming gently to eliminate air pockets.
Watering After Planting: Water thoroughly to help settle the soil and establish root contact. Continue to water regularly during the first few weeks to promote strong root development.
Watering Requirements
During the first growing season, water Miscanthus sinensis ‘Gracillimus’ regularly to encourage deep root establishment.
Once established, it is relatively drought-tolerant, requiring occasional watering during prolonged dry spells. Avoid overwatering, as excess moisture can cause root rot.
Feeding
In early spring, apply a balanced, slow-release fertiliser to support new growth and encourage strong, healthy foliage.
A second application in mid-summer can help maintain vigour, especially in poor soils, but Miscanthus sinensis ‘Gracillimus’ generally requires minimal feeding.
Pruning
Winter Maintenance: Leave the foliage intact through winter to provide structure and visual interest while also offering shelter for wildlife.
Spring Pruning: In late winter or early spring, before new growth emerges, cut back the old stems to about 10-15cm above ground level. This promotes fresh, healthy shoots for the new season.
Mulching
In spring, apply a layer of organic mulch around the base of Miscanthus sinensis ‘Gracillimus’ to retain soil moisture, suppress weeds, and improve soil quality.
Reapply mulch in autumn to protect the roots from extreme temperature fluctuations and ensure strong growth in the following season.
Supporting the Plant
Although Miscanthus sinensis ‘Gracillimus’ is naturally upright, taller clumps may require staking in particularly windy locations to prevent bending or lodging.
Final Tips
Miscanthus sinensis ‘Gracillimus’ is a versatile, low-maintenance ornamental grass that enhances any garden with its graceful foliage and elegant autumn flowers. By providing full sun, well-drained soil, and minimal upkeep, this resilient grass will flourish year after year. Ideal for borders, mixed plantings, or as a focal point in the garden, Miscanthus sinensis ‘Gracillimus’ brings dynamic movement and beauty to outdoor spaces throughout the seasons.
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