Liatris spicata


This eastern North American Native is a great accent plant to add color and height to a green roof. Its purple flower spike is a pollinator magnet and will increase biodiversity.

Like most perennials, this plant will benefit from growing in a deeper soil profile, or, where the green roof media has been mounded. It will need regular water to become established.


  • Botanical Name: Liatris spicata
  • Family: Asteraceae
  • Plant Type: Hardy Perennial
  • Plant Usage: Accent
  • Hardiness Zone: 3-8
  • Foliage Color: Green
  • Flower Color: Purple
  • Bloom Time: Midsummer
  • Winter Interest: None
  • Height: 24"
  • Spread: 12"
  • Light Requirement: Full Sun
  • Origin: Eastern North America
  • Self Sowing: Very little
  • Shade Tolerant: No
  • Substitutes: Penstemon hirsutus var. pygmeus,

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