• AGM plants

    AGM plants have been through a rigourous 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

Larix kaempferi

Japanese larch

Japanese larch

© � RHS

  • Other common names Japanese larch

  • Genus Larix are deciduous trees of conical habit, with good autumn colour from the soft, needle-like leaves which are borne in whorls on spur-like lateral shoots and spirally arranged on young growth; small ovoid cones persist on the branches

  • Family Pinaceae / Pinaceae

  • Species

    L. kaempferi is a vigorous deciduous conifer forming a large tree reaching up to 30m with reddish young shoots bearing whorls of light green leaves becoming yellow and orange in autumn. Cones ovoid, erect, to 3cm long, with out-curved scales

  • Plant range Japan

Characteristics

  • Foliage Deciduous

  • Habit Bushy

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Sand

  • Chalk

    Clay

  • MoistureWell-drained

  • SoilLoam, Sand, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    Higher than 12 metres

  • Ultimate spread

    4-8 metres

  • Time to ultimate height

    more than 50 years

How to grow

Cultivation Grow in any deep, well drained soil in full sun

Propagation PRopagate by seed, sown from late winter to spring. Chilling the seeds for three weeks may aid germination. Propagate by softwood or semi-ripe cuttings in summer. Graft in winter

Suggested planting locations and garden types Flower borders and beds

How to care

Pruning No pruning required

Pests Adelgids may be a problem

Diseases Can suffer from honey fungus and phytophthora. Canker may cause dieback

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