• 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

Garrya elliptica

silk tassel bush

silk tassel bush

© RHS

  • Other common names silk tassel bush
    feverbush

  • Family Garryaceae

  • Genus Garrya are vigorous evergreen dioecious shrubs with simple leathery leaves and small greenish flowers in pendent catkin-like racemes in late winter and early spring

  • Details G. elliptica is a shrub or small tree of rapid growth and bushy habit, to 3.5m or even to 4.5m in mild areas. Leaves oval to roundish, dark shining green above, felted grey beneath. The long, grey-green male catkins flower in January and February. The female plant is less commonly seen, but produces long clusters of purple-brown fruits in summer

  • Plant range USA (California, Oregon)

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

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in well-drained soil in full sun or partial shade

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Wall-side Borders Low Maintenance Hedging & Screens Architectural City & Courtyard Gardens Cottage & Informal Garden

How to care

Pruning Pruning group 8

Pests Generally pest free

Diseases May be affected by a leaf spot (see leaf damage on woody plants)

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