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Mentha australis

River or Australian Mint

Soft, spreading to erect, often suckering, perennial herb with hairy or hairless, purple-tinged square stems.

Additional information

  • FamilyLamiaceae
  • StoreyLower storey
  • Size0.2-0.8 m x 0.3-1 m
  • Plant groupingHerbs & Groundcovers <1m
  • LeavesPairs of mid to dark green aromatic, lance-shaped to ovate leaves with pointed tips and serrated margins, 12-60 mm x 8-20 mm, hairless or shortly hairy especially below.
  • Flower colourWhite, pink
  • Flowering timeSeptember to March
  • FlowersDense clusters of 3-12 flowers on short stalks in the axils of upper leaves. Calyx densely hairy.
  • Bird attractingInsects
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist to wet soils on edges of watercourses and swamps. Frost tolerant. Full sun to full shade.
  • Garden useAn aromatic plant for moist areas, beside pools and planted amongst ferns.
  • Commercially availableSpecialist Australian plant nursery
  • Conservation statusLocally common within its preferred growing conditions
  • Aboriginal Use Leaves - food, medicines
Photographer/s: 1, 4 Marilyn Bull ©; 2, 3 Peter Kinchington ©

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  • 38 Yellow Box Valley Grassy Forest – Middle Yarra (EVC 47)
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  • 39 Sedge Wetland Complex (EVC 136)
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