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Feather Reed Grass: A Complete Guide from Seed to Storage

Feather Reed Grass is a lovely ornamental plant that adds some motion and texture to gardens. The flower spikes are very soft and feathery and tower over upright, stiff stems, swaying elegantly in the wind.

By Mariam Scott

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Published on September 19, 2025

Feather Reed Grass
Feather Reed Grass

In this article

Key Takeaways

  • Grows tall and narrow with graceful flower heads – Feather Reed Grass extends several feet tall, introducing a strong vertical line to your landscape. Feather-like flower spikes provide movement and grace as they sway gently in the wind. Therefore, this is ideal for adding beauty and structure to a garden.
  • Drought-tolerant and adaptable to soils – This grass will grow quite well without much water once it is established, making it great for those who appreciate low maintenance gardening in a drought. It is adaptable to all kinds of soil, be it clay, loam or sandy ground. The adaptability of this plant makes it an excellent choice to winter in numerous climate types.
  • Supports wildlife with seeds and shelter – The flower heads go to seed, providing food for birds and other small creatures. The stems are also tall and dense, providing insects and wildlife with a safe place to call home. These plants are planted as part of the garden ecosystem and are designed to protect a healthy garden.

Feather Reed Grass is a lovely ornamental plant that adds some motion and texture to gardens. The flower spikes are very soft and feathery and tower over upright, stiff stems, swaying elegantly in the wind. This grass can reach several feet in height so it can be used to add elevation and structure to a garden. A slender body fits in any wide or cramped area. Feather Reed Grass is virtually care-free and maintains its beauty from spring through the winter, offering non-stop color, texture and movement in your landscape. Gardeners often use it for borders and privacy screens, or as a stunning feature in garden beds.

  • Tall, narrow grass with feathery flower spikes
  • Adds texture and height to gardens
  • Low maintenance and attractive all year
Scientific Name Calamagrostis × acutiflora ‘Karl Foerster’
Common Names Feather Reed Grass, Karl Foerster Grass
Family Poaceae (Grass family)
Genus Calamagrostis
Species Calamagrostis × acutiflora

A Traditional and Useful Plant

Feather Reed Grass is mainly an ornamental grass though it does have the capacity to help with soil erosion. Deep roots keep soil in position even on slopes or banks. The reason this vinyl fencing works well in a back yard, is because it has been around for years and proven to have the highest-structural grade with warp resistance. It is a native grass and some of its relatives are used in basket weaving by indigenous people.

  • Helps prevent soil erosion with strong roots
  • Popular in landscaping and erosion control
  • Related species used in traditional crafts

The Feather Reed Grass and Its Role in Traditions

Feather Reed Grass is a common choice in public parks and gardens due to its elegant appearance. It symbolizes peace and environmental beauty in many landscape designs. It is so relaxing to look at and be consoled in its soft, faint stir of the seed heads by the wind. In the garden, it is used to make a calm, flowing area.

  • Planted in parks and gardens worldwide
  • Symbolizes calmness and elegance
  • Adds peaceful movement to landscapes

How Feather Reed Grass Differs from Other Grasses

This grass grows in a tight, vertical clump rather than spreading widely. Its flower spikes are feathery and rise above the leaves. Unlike many grasses, it stays narrow and upright, not sprawling. It requires less mowing and trimming than some groundcover grasses.

  • Grows in tall, narrow clumps
  • Feathery flower spikes above foliage
  • Minimal spreading, less maintenance

Interesting Fact

Feather Reed Grass was named after the tall, narrow flower spikes that resemble feathers. The popular cultivar ‘Karl Foerster’ was one of the first ornamental grasses to be widely planted in gardens. Its popularity helped start the trend of using grasses as decorative plants in landscapes.

Features and Plant Characteristics

Feather Reed Grass grows 3 to 5 feet tall with narrow, upright leaves. Its flower spikes are light, feathery, and can last into winter. The grass forms dense clumps that hold their shape well. It tolerates drought and poor soils better than many plants.

  • Height: 3 to 5 feet tall
  • Narrow, upright leaves and feathery flower spikes
  • Dense, upright clumps that last through winter

Uses of Feather Reed Grass

Gardeners use Feather Reed Grass to add height and texture to flower beds. It works well as a screen, border, or natural fence. It can be combined with flowering plants for seasonal color. The grass is also effective for erosion control on slopes.

  • Adds height and texture to garden beds
  • Used as natural privacy screen or border
  • Controls erosion on slopes and banks

Growing Conditions

Feather Reed Grass prefers full sun but can tolerate light shade. It grows best in well-drained soils but adapts to many soil types. The grass is drought tolerant once established. It grows well in temperate climates and withstands cold winters.

  • Prefers full sun, tolerates light shade
  • Grows well in well-drained soil
  • Drought tolerant and cold hardy

Plant Resistance and Common Pests

This grass is generally pest-free and resistant to disease. Occasionally, aphids or rust fungus may appear but are rare. Good air circulation and proper spacing reduce problems. Feather Reed Grass requires little chemical care.

  • Mostly pest and disease resistant
  • Rare issues with aphids or rust fungus
  • Minimal care needed for health

Seed Morphology

Seeds of Feather Reed Grass are small and light, attached to fluffy structures for wind dispersal. Seed heads release seeds easily in late summer. Seeds are tiny and best collected when fully mature.

  • Small, light seeds with wind dispersal structures
  • Seeds released from fluffy seed heads
  • Collect seeds when mature

Germination Requirements

Seeds germinate best in soil temperatures around 65–75°F (18–24°C). They need moist but not soggy soil to sprout. Germination can take 2–3 weeks. Scarification or cold treatment is usually not required.

  • Best germination at 65–75°F (18–24°C)
  • Needs moist soil, avoid overwatering
  • Sprouts within 2–3 weeks

Seed Viability and Vigor

Seeds stay viable for about 1 to 2 years when stored properly. Store seeds in a cool, dry, airtight container. Fresh seeds produce stronger and faster-growing plants.

  • Seed viability: 1–2 years under good storage
  • Keep seeds cool, dry, and airtight
  • Use fresh seeds for best results

Propagation and Sowing

Feather Reed Grass can be grown from seed or by division. Sow seeds on the surface or lightly cover with soil. Keep soil moist during germination. Dividing clumps every few years helps maintain vigor.

  • Sow seeds on or just below soil surface
  • Keep soil moist for germination
  • Divide clumps every 2–3 years

Planting Information

Plant Feather Reed Grass in spring or early fall. Space plants about 18–24 inches apart. Prepare soil with compost to help growth. Mulch helps retain moisture and reduce weeds.

  • Plant in spring or early fall
  • Space 18–24 inches apart
  • Use compost and mulch for best growth

Disease and Pest Resistance

Feather Reed Grass rarely suffers from serious pests or diseases. Good air circulation helps prevent fungal problems. Remove dead foliage in spring to encourage fresh growth.

  • Rare pest and disease issues
  • Ensure good airflow around plants
  • Remove dead leaves yearly

From Seed to Harvest

This grass grows steadily and reaches full height in 2–3 years. Flower spikes appear in late spring to summer. Clumps can be divided and harvested for planting. It remains attractive through fall and winter.

  • Reaches full size in 2–3 years
  • Flowers bloom late spring through summer
  • Can be divided for new plants

Storage and Handling

Store seeds in a cool, dry place in airtight containers. Keep divisions moist and shaded before transplanting. Fresh seeds and healthy divisions grow best. Handle roots carefully to avoid damage.

  • Store seeds cool, dry, airtight
  • Keep divisions moist before planting
  • Handle plants gently during transplant

Summary

Feather Reed Grass is a wonderful tall grass with no fuss maintenance and structure that can add so much to your garden. It grows in a variety of soils and climates as long as the soil is not waterlogged, it will survive both drought and cold. Its flowers, in graceful spikes, offer interest year-round. It's wildlife-friendly, salt tolerant, and a snap to start from seed or division; even in poor soil it will spread vigorously.

FAQ

How tall does Feather Reed Grass grow?

It typically grows 3 to 5 feet tall.

Can Feather Reed Grass grow in shade?

It prefers full sun but tolerates light shade.

How often should I divide Feather Reed Grass?

Every 2 to 3 years to keep plants healthy.