• 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

Erigeron karvinskianus

Mexican fleabane

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
Mexican fleabane

© � RHS 2002

  • Other common names Mexican fleabane
    Latin American fleabane

  • Synonyms Erigeron karvinskianus 'Bluetenmeer'
    Erigeron karvinskianus 'Profusion'

    Erigeron mucronatus
    Erigeron 'Profusion'

    see more
  • Genus Erigeron can be annuals, biennials or perennials with simple or lobed leaves, and daisy-like flowers with many slender rays, appearing over a long period in summer

  • Family Asteraceae / Asteraceae

  • Species E. karvinskianus is a perennial forming wide mats to 15cm in height, with narrow, hairy leaves and daisy-type flower-heads 15mm in width, opening white but soon turning pinkish-purple

  • Plant range Mexico to Panama

Characteristics

  • Foliage Deciduous

  • Habit Mat forming

  • 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

    H4

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • Chalk

    Chalk

  • MoistureWell-drained

  • SoilSand, Loam, Chalk

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in fertile, well-drained soil that does not dry out in summer; best in full sun with some midday shade. Ideal for wall or paving crevices but can self-seed and become invasive in mild areas

Propagation Propagate by seed in pots in a cold frame in spring

Suggested planting locations and garden types Garden Edging Coastal Cottage & Informal Garden Gravel Garden Rock Garden

How to care

Pruning Deadhead to encourage further flowering. Cut back to ground level in autumn.

Pests Generally pest free

Diseases Generally disease free

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