• 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 mellifera

Canary spurge

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
Canary spurge

© � RHS 2002

  • Other common names Canary spurge

  • Synonyms Euphorbia longifolia Lam.

  • 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. mellifera is a dome-shaped evergreen shrub with narrow, bright green leaves with a pale mid-vein, and honey-scented, brownish flower-heads in late spring

  • Plant range Madeira Canary Is.

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Fragrance Flower

  • Toxicity All parts are highly toxic by ingestion

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H2

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • Chalk

    Chalk

  • MoistureWell-drained

  • SoilSand, Loam, Chalk

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    1.5-2.5 metres

  • Time to ultimate height

    5-10 years

How to grow

Cultivation Grow in well-drained, light soil in full sun in mild areas or in cold areas grow in a container and overwinter indoors (frost-free)

Propagation Propagate by division in early spring or take basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding

Suggested planting locations and garden types Flower borders and beds Cut Flowers Mediterranean Climate Plants Architectural Patio & Container Plants

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