• 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

Bupleurum fruticosum

shrubby hare's ear

shrubby hare's ear

© RHS

  • Other common names shrubby hare's ear

  • Family Apiaceae

  • Genus Bupleurum may be annuals, perennials or evergreen shrubs; the leaves are simple, the tiny yellow or green flowers are borne in a cluster usually subtended by petal-like green to yellow bracts

  • Details B. fruticosum is an evergreen shrub to 2m tall, with simple, obovate, blue-green leaves and clusters of tiny yellow flowers in summer and early autumn

  • Plant range S Europe, NW Africa

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained

  • SoilSand, Chalk, Loam

  • 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 any well-drained soil in a warm sheltered site with full sun

Propagation Propagate by seed in containers in a cold frame in spring; root semi-ripe cuttings in summer

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Wall-side Borders Cut Flowers City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning Pruning group 9: tolerates hard pruning

Pests Generally trouble free

Diseases Generally trouble free

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