• 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

Bidens ferulifolia

fern-leaved beggar-ticks

fern-leaved beggar-ticks

© RHS

  • Other common names fern-leaved beggar-ticks

  • Synonyms Bidens procera

  • Family Asteraceae

  • Genus Bidens can be annuals, perennials or deciduous shrubs, with opposite, simple or pinnately-divided leaves and daisy-like or disc-like flowerheads in summer

  • Details B. ferulifolia is a spreading, short-lived perennial to 30cm in height, grown as an annual, with small, finely divided bright green leaves and rich yellow daisies 3-4cm across

  • Plant range S US to Guatemala

Characteristics

  • Foliage Deciduous

  • Habit Trailing

  • 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)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 1-2 years

How to grow

Cultivation Ideal for hanging baskets or large tubs as it has vigorous, cascading stems. Excellent at coping with drought but needs full sun. Shown in the photograph here at the front of a border

Propagation Propagate by seed or stem cuttings

Suggested planting locations and garden types Flower borders and beds Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally trouble free

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