PERSEA thunbergii

Commonly known as Japanese bay, Machilus

The most striking feature of this dense large leafed evergreen tree is its striking bright red new growth which is splendid in June
Further Reading....

PERSEA thunbergii



  • Evergreen
    Stalked, inversely lance-shaped or elliptic, pointed leaves 8-15cm (3-6in) long, tapering at the bases, flushed red or bronze when emerging.
  • Yellow
    Yellow green
  • Height
    10m (33ft)
  • Spread
    6m (20ft)
  • Tall Shrub
  • Tree
    Broad, tiered branches. Produces yellow-green, star-shaped flowers followed by purple fruits
  • Half hardy - unheated greenhouse / mild winter Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun
    Sheltered position
  • Partial shade
    Light, dappled shade
  • Additional Features
    Good to know - only suitable for mild areas. Syn. Machilus thunbergii
  • Pests & Diseases
    Phytophthora root rot
  • Place of origin
    southern Japan, Korea, Taiwan, China
  • Flower Shape
    Panicles - many-flowered panicles 5-12cm (2-4¾in) long
  • Star-shaped
  • Hardiness
    Half hardy (down to 0)
  • Leaf margin
    Entire see photos above
  • Leaf shape
    Lanceolate see photos above
  • Scented Plants
    Scented flowers
  • Soil Conditions
    Fertile moist well-drained soil - humus-rich
  • Neutral to acid soil
  • Tree Shape
    Rounded to broadly columnar
10m (33ft)
tree - guide for size not form Average Person
  6m (20ft)

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