• 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

Rhaphiolepis umbellata

Yeddo hawthorn

Yeddo hawthorn

© RHS 2002

  • Other common names Yeddo hawthorn

  • Family Rosaceae

  • Genus Rhaphiolepis are evergreen shrubs or small trees, with leathery, dark green leaves and terminal panicles of white or pink-tinged flowers in early summer, followed by black fruits

  • Details R. umbellata is a slow-growing, small evergreen shrub of rounded habit with leathery, broadly-oval leaves and fragrant white flowers 2cm in width, in terminal panicles in early summer, followed by small, fleshy black fruits

  • Plant range Japan, Korea

Characteristics

  • Foliage Evergreen

  • 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)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Sand

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in a sheltered area out of drying or cold winds in a moist, moderately fertile soil in full sun

Propagation Propagate from semi-hardwood cuttings in late summer or layering in autumn. Propagate by seed sown under heated glass in full light

Suggested planting locations and garden types Wall-side Borders

How to care

Pruning Pruning group 8

Pests Generally pest free

Diseases Generally disease free

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