Calamagrostis x acutiflora 'Karl Foerster'

Feather reed grass

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Key information

Plant type

Hardy perennial

Flower colour



Attractive seed-heads, Dramatic foliage



Skill level


photo by Jo Whitworth, copyright GAP Photos (41985)

Plant details

One of the best upright growing grasses that forms a stiff clump. It's easy to grow and is tolerant of most soil conditions, although its size is usually determined by the amount of moisture in the soil. In summer it produces tall flowerheads that start off pale green and gradually turn bright golden yellow. These move in the breeze and last into the winter months.

Family: Poaceae

Genus: Calamagrostis

Species: x acutiflora

Cultivar: Karl Foerster

Plant type: Hardy perennial

Flower colour: Yellow

Foliage colour: Mid-green

Feature: Attractive seed-heads, Dramatic foliage

Sun exposure: Full sun

Soil: Well-drained/light, Acidic, Chalky/alkaline, Moist

Hardiness: Hardy

Skill level: Beginner

Height: 120cm

Spread: 50cm

Time to divide plants: March to April

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