• 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

Davidia involucrata var. vilmoriniana

de Vilmorin handkerchief tree

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
de Vilmorin handkerchief tree

© RHS

  • Other common names de Vilmorin handkerchief tree

  • Family Nyssaceae

  • Genus Davidia is a medium-sized, deciduous tree with ovate leaves and small, dark green flower-clusters each subtended by two large white bracts and followed by ovoid greenish-brown fruits

  • Details D. involucrata var. vilmoriniana is a medium-sized, deciduous tree, to around 12m in height, with bright green, broadly ovate leaves with glabrous undersides. The young foliage may be tinged red in spring, as well as the foliage taking on rich red and yellow autumnal hues. The small flowers are held between a pair of conspicuous creamy-white, hankerchief-like, ovate bracts and are followed by greenish-brown elliptic to ovoid fruits in autumn

  • Plant range China

Characteristics

  • Foliage Deciduous

  • Habit Spreading / Branched

  • 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)

    H5

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered

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 Higher than 12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Easy to grow in a sheltered position in sun or partial shade, but young specimens may not flower

Propagation Propagate by seed or hardwood cuttings

Suggested planting locations and garden types Low Maintenance Architectural

How to care

Pruning Pruning group 1

Pests Generally pest free

Diseases Generally disease free

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