271B-3-Hypericum-japonicum-fl-Andre-Messina.jpg

Hypericum japonicum

Matted St. John's wort

Trailing or matting perennial herb with 4-ridged stems, rooting from leaf nodes.

Additional information

  • FamilyHypericaceae
  • StoreyLower storey
  • Sizeto 8 cm x 15 cm
  • Plant groupingHerbs & Groundcovers <1m
  • LeavesElliptic to oblong green leaves, broader towards tip, 2-10 mm x 2.5-5 mm, spreading not erect, margins wavy.
  • Flower colourYellow
  • Flowering timeOctober to March
  • FlowersTerminal, often single flowers to 8 mm across. Mature fruit shorter or equal to calyx lobes.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist soil in cool moist forests. Dappled to full shade.
  • Garden useA tiny plant which could be used as a matting plant in small moist shady gardens.
  • Commercially availableWholesale only - order in advance
  • Conservation statusLocally common within its preferred growing conditions
  • Related speciesSee comments under Hypericum gramineum.
Photographer/s: 1, 2, 4 Marilyn Bull ©; Andre Messina, Royal Botanic Gardens Board ©

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