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Alisma plantago-aquatica

Broadleaf Water Plantain (Mad-Dog Weed)

A water-loving, marginal plant with oval leaves and white, pale pink, or lilac blooms. It can have aggressive reseeding capabilities so be sure to remove all spent blooms immediately, especially if planted in large pools.

  • »  Airy, white flowers
  • »  Clump-forming perennial with hairless plantain-like foliage emerging in early spring
  • »  Foliage stands 60 cm above the waterline
  • »  Found in fresh water ponds, slow moving streams or low lying areas
  • »  Bloom Time: June to August

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  • Category:Perennials
  • Hardiness Zone:3
  • Height:60-70 cm
  • Spread:30-50 cm
  • Bloom Color: White
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Wetland (Root submerged)
• Moist to Wet Soils
Growth Rate
• Fast
Attributes
• Long Blooming
Flowering Time
• Summer
• Lt. Sum-Fall
Habit
• Clumping
Foliage Color
• Green
Landscape uses
• Bog or water garden
• Naturalizing
Planting instructions
• Container Plants
Additional Information about Alisma plantago-aquatica

The word alisma is derived from the Celtic word meaning water. It has many medicinal uses, including treatment of rabies, hence the common name "Mad-Dog Weed".

Growing & Maintenance Tips for Alisma plantago-aquatica

Thrives in a moist to wet soil, or planted along water edges where the roots are submerged no deeper than 30 cm. Good for naturalizing, garden ponds and water gardens. Will self-sow aggressively in a suitable setting.