Silber rauhgras (Achnatherum calamagrostis)

Silber rauhgras

Achnatherum calamagrostis, also termed Stipa calamagrostis, is a species of grass known by the common names spear grass, needle grass, and silver spike grass. It is an ornamental grass native to the clearings in the mountains of central and southern Europe, which grows in mounds of blue-green leaves and long, silvery plumes.

Scientific classification

Species

Silber rauhgras (Achnatherum calamagrostis)

Grasses, sedges and allies

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Perennial

Lifespan

1 m

Spread

Green

Leaf Color

Green, Brown, Gray, Silver

Flower Color

Semi-evergreen

Leaf type

Images of Silber rauhgras

Care Guide for Silber rauhgras

Twice per week

Water

Full sun

Sunlight

Garden Soil

Soil Type

Water: Silber rauhgras thrives in moist environments, requiring consistent watering twice a week to maintain vitality. Preferring humidity, it balances water needs well. As an outdoor species, silber rauhgras is popular in containers, allowing for controlled watering, making it ideal for patio gardening.

Fertilize: Fertilize silber rauhgras in early spring with mulch or compost to enhance soil and promote growth. Use slow-release organic fertilizers annually, reducing in winter. Avoid over-fertilization to maintain structure. Adjust fertilization based on seasonal changes for improved resilience and vigor.

Pruning: Silber rauhgras thrives with early spring pruning, cutting old growth to ground level to encourage vigorous new growth and maintain shape. Regularly remove dead stems for better air circulation and disease prevention. Use clean tools to ensure the plant’s health and appearance throughout the growing season.

Propagation: Silber rauhgras is ideally propagated by division. Gardeners should split the rootball into smaller clumps, ensuring each section has healthy roots and shoots. This cloning method preserves silber rauhgras's characteristics while minimizing root disturbance to facilitate quicker establishment in new locations.

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