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Eryngium aquaticum

Marsh Rattlesnake-master (Sea holly)

Eryngium aquaticum, Marsh rattlesnake-master, is an attractive silver blue flowering perennial that is widely underused in sunny poorly drained or wetland areas. Eryngium aquaticum stands 3-4’ tall and blooms in mid to late summer. Marsh rattlesnake-master’s silver green foliage in combo with it's silvery blue flower is a wonderful companion plant with Lobelia siphilitica and Pannicum virgatum. Tolerates fun sun to partial shade.

• »  Special value to native bees
• »  Ornate seed head
• »  Winter interest

• Category

  • Native Wetland Perennials
  • Native Meadow Grasses

• Characteristics

  • Exposure -Sun
  • Partial Shade
  • 2' - 4'
  • Clumping
  • Prolific Seeder
  • Summer
  • Fall
  • Spring
  • Summer
  • Fall
  • Flood Plain - Upland
  • High Marsh - Saturated Soil
  • Blue
  • Green
  • Silver
  • Cover
  • Food
  • Nesting
  • Songbirds
  • Waterfowl
  • Deer Resistant
  • OBL
  • Bog/Marsh
  • Flowering Perennial
  • Marginal
  • Cut Flower
  • Dried Flower
  • Drought Tolerant
  • Erosion Control
  • Fibrous Roots
  • Great Foliage
  • Native
  • Naturalizing
  • Ornamental Flower
  • Rain Garden
  • Specimen
  • Storm Water Basin
  • 6
  • 7
  • 8