• AGM plants

    AGM plants have been through a rigorous 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

Liatris spicata

button snakewort

button snakewort

© � RHS 2002

  • Other common names button snakewort
    Kansas gay feather

    dense blazing star

    see more
  • Synonyms Liatris calilepis
    Liatris callilipes

    Liatris spicata callilepis

    see more
  • Genus Liatris are herbaceous perennials with narrow, grass-like foliage and erect, bottlebrush-like spikes of flowers which open from the top down

  • Family Asteraceae / Asteraceae

  • Details L. spicata is a perennial to 70cm in height, with narrow foliage and purplish-pink flower spikes in late summer and early autumn

  • Plant range E North America


  • Foliage Deciduous

  • Habit Tufted



  • Full Sun

  • Aspect South-facing

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilClay, Loam, Chalk, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in light, moderately fertile soil that is reliably moist but not wet overwinter; full sun is essential

Propagation Propagate by seed sown in pots in a cold frame in autumn. Propagate by division in spring

Suggested planting locations and garden types Flower borders and beds Cut Flowers Prairie Planting Wildlife Gardens

How to care

Pruning Deadhead regularly then cut stems down to the ground in winter

Pests Generally pest free

Diseases Generally disease free

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