• 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

Euphorbia amygdaloides var. robbiae

Mrs Robb's bonnet

Mrs Robb's bonnet

© � RHS 1983

  • Other common names Mrs Robb's bonnet

  • Synonyms Euphorbia robbiae

  • Genus Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts

  • Family Euphorbiaceae / Euphorbiaceae

  • Species E. amygdaloides var. robbiae is a spreading evergreen perennial to 50cm in height, forming colonies of rosettes of oblong, dark green leaves from which arise large rounded sprays of yellow-green flowers

  • Plant range Europe, SW Asia

Characteristics

  • Foliage Evergreen

  • Habit Suckering

  • Toxicity All parts are highly toxic by ingestion

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Full Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilChalk, Loam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation An easy-to-grow plant that will cope with most conditions even dry shade. It spreads by rhizomes and can be invasive

Propagation Propagate by division in spring

Suggested planting locations and garden types Flower borders and beds Ground Cover Low Maintenance City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning Cut back flowering shoots to ground level in late summer or autumn

Pests Aphids may be a problem

Diseases May be subject to grey moulds

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