• 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

Euphorbia palustris

marsh spurge

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
  • Other common names marsh spurge

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

  • Family Euphorbiaceae / Euphorbiaceae

  • Details E. palustris is a bushy herbaceous perennial to 90cm, the erect stems with narrow, fresh-green leaves often turning yellow and orange in autumn. Flowers bright greenish-yellow, in large terminal clusters in late spring

  • Plant range Europe

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • 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

    H7

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Clay

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilClay, Loam

  • pHNeutral, Acid, Alkaline

Size

  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Prefers permanently moist soil in full sun

Propagation Propagate by seed sown in containers in spring. 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 Cottage & Informal Garden

How to care

Pruning Pruning group 6

Pests Generally pest free

Diseases Generally disease free

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