• 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

Hoheria lyallii

lacebark

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
lacebark

© RHS

  • Other common names lacebark
    mountain ribbonwood

  • Synonyms Plagianthus lyallii

  • Family Malvaceae

  • Genus Hoheria can be evergreen or deciduous shrubs or small trees with simple, toothed leaves, often distinctive juvenile foliage on young plants, and terminal umbels of fragrant white, 5-petalled flowers with prominent stamens

  • Details H. lyallii is a large deciduous shrub or small tree to 7m, with broadly-ovate, softly hairy grey-green leaves and slightly fragrant white flowers to 4cm wide, in clusters in summer

  • Plant range New Zealand

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Flower

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • Clay

    Clay

  • MoistureMoist but well-drained

  • SoilSand, Chalk, Loam, Clay

  • pHNeutral, Alkaline

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in moderately fertile, well-drained preferably neutral or alkaline soil in full sun or part shade in a sheltered position

Propagation Propagate by seed in a cold frame in autumn; root semi-ripe cuttings in late summer or autumn

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

How to care

Pruning Pruning group 1 in spring or after flowering but pruning is seldom necessary

Pests Generally trouble free

Diseases May be prone to coral spot in damp, shady sites

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