• 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

Osmanthus yunnanensis

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

© RHS

  • Synonyms Osmanthus forrestii

  • Family Oleaceae

  • Genus Osmanthus can be evergreen shrubs or small trees with leathery, opposite leaves and small, usually fragrant, tubular white, yellow or orange flowers with 4 lobes, followed by ovoid blue-black fruits

  • Details O. yunnanensis forms a large shrub or small, spreading tree. The dark, olive-green leaves up to 20cm long vary in shape, often on the same plant, from smooth and flat to wavy with spiny-toothed edges. Small, creamy-white, highly fragrant flowers appear in late winter to early spring clustered at the base of the leaves. These are followed by egg-shaped fruit, dark purple with a white bloom

  • Plant range SW China

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)

    H5

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • MoistureWell-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 8-12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in fertile, well-drained soil in sun or partial shade, with shelter from cold, drying winds

Propagation Propagate by seed sown in containers in a cold frame as soon as ripe, or root semi-ripe cuttings in summer with bottom heat, or layer in autumn or spring

Suggested planting locations and garden types Low Maintenance Wall-side Borders Cottage & Informal Garden

How to care

Pruning Pruning group 8

Pests Generally trouble free

Diseases Generally trouble free

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