Phragmites australis

RHS Plant Profile
common reed
common reed RHS 2002

Other common names

bennels, carrizo, Danube grass, ditch reed, nal, Norfolk reed, pole reed, spire reed, spires, corsen

Synonyms

Phragmites isiaca
Phragmites communis
Arundo phragmites

Grass Like Bogs

A vigorous reed grass to 3m in height, spreading by rhizomes and forming an extensive colony of erect, leafy, robust stems with drooping linear leaves which turn light brown in autumn, and terminal dark purple flowering panicles from late summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
5–10 years
Max Spread
2.5-4 metres
Max Height
2.5-4 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Poaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Tufted
Genus
Phragmites are vigorous rhizomatous perennial grasses with linear leaves and large feathery purple panicles of flowers in late summer
Name Status
Correct

How to Grow

Cultivation

Grow in deep, moderately fertile, reliably moist soil in full sun. In riverside, lake or pond areas can be grown in large containers sunk in water to restrict growth and provides ideal habitats for rare and endangered birds. It needs ample space and has the potential to become a nuisance in favourable conditions if not managed well. See aquatic weeds for more information

Propagation

Propagate by division from early spring to early summer

Suggested planting locations and garden types

  • Wildlife gardens
  • Wildflower meadow

Pruning

Cut back in late autumn or winter

Pests

Generally pest-free

Diseases

Generally disease- free