• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Phragmites australis

Common reed

Common reed

© � RHS 2002

  • Other common names Common reed
    Bennels

    Carrizo
    Danube grass
    Ditch reed
    Nal
    Norfolk reed
    Pole reed
    Spire reed
    Spires

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  • Synonyms Arundo phragmites
    Phragmites communis

    Phragmites isiaca

    see more
  • Genus Phragmites are vigorous rhizomatous perennial grasses with linear leaves and large feathery purple panicles of flowers in late summer

  • Family Poaceae / Poaceae

  • Species P. australis is an invasive grass to 3m in height, forming an extensive colony of erect, leafy stems with drooping linear leaves which turn light brown in autumn, and terminal dark purple flowering panicles from late summer

Characteristics

  • Foliage Deciduous

  • Habit Tufted

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Loam

  • Chalk

    Chalk

  • MoisturePoorly-drained, Moist but well-drained

  • SoilSand, Clay, Loam, Chalk

  • pHNeutral, Acid, Alkaline

Size

  • Ultimate height

    2.5-4 metres

  • Ultimate spread

    2.5-4 metres

  • Time to ultimate height

    5-10 years

How to grow

Cultivation Grow in deep, moderately fertile, reliably moist soil in full sun

Propagation Propagate by division from early spring to early summer

Suggested planting locations and garden types Wildflower meadow Wildlife Gardens

How to care

Pruning Cut back in late autumn or winter

Pests Generally pest free

Diseases Generally disease free

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