• 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

Artemisia ludoviciana 'Silver Queen'

western mugwort 'Silver Queen'

western mugwort 'Silver Queen'

© � RHS

  • Other common names western mugwort 'Silver Queen'

  • Synonyms Artemisia purshiana 'Silver Queen'
    Artemisia 'Silver Queen'

  • Genus Artemisia can be shrubs, perennials or annuals, evergreen or deciduous, with usually grey, aromatic, often divided foliage and rather insignificant flower-heads

  • Family Asteraceae / Asteraceae

  • Details 'Silver Queen' is an herbaceous perennial to 90cm, with entire or coarsely toothed, greyish-white leaves and, occasionally, erect plumes of small, insignificant yellowish flowers

Characteristics

  • Foliage Deciduous

  • Habit Columnar/Upright

  • Fragrance Leaf

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in fertile, well-drained soil in full sun. Can die back in heavy, poorly-drained soil

Propagation Propagate by division or semi-hardwood cuttings in late summer

Suggested planting locations and garden types Flower borders and beds Underplanting of Roses and Shrubs Low Maintenance Cottage & Informal Garden

How to care

Pruning Cut back to base of plant in autumn

Pests Generally pest free

Diseases May be infected by powdery mildews

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