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Eryngium Magical® Purple Stars

Strong thistle –like flowers that can be harvested as young, green flowers or later as they mature to blue-purple

A healthy, vigorous sea holly with strong stems and distinctive thistle-like blooms. Stems can be harvested young, when the flowers are green, or later, as they mature to a rich purple-blue, from July through August. Commonly grown in sunny gardens and landscapes for its ornamental value, Purple Stars will add texture and color to mixed borders, cutting gardens, and pollinator gardens with its striking flowers and unique foliage. Dry flower heads make attractive additions to floral arrangements.

Who Am I?

  • Common Name:
    Magical® Purple Stars sea holly
  • Botanical Name:
    Eryngium planum 'Kolmpurst'
  • Type:
    Perennial

Cultural Details

TYPE

Perennial
  • Light:
    Long day, Full sun
  • Soil:
    All soil types, but root rot can occur in poorly drained soil
  • Moisture:
    Well-drained, drought tolerant, sensitive to overwatering
  • Hardiness Zone
    4-8
  • Size:
    30''
  • Spacing:
    18-24'' x 18-24''
  • Bloom Time:
    July through August
  • Bloom Color:
    Purple
  • Diseases & Pests:
    Can suffer from Rhizoctonia so it's recommended spraying a preventative after planting
  • Stem Count

    First year: 1

    Second year: 8

    Third year: 8

    Fourth year: 8

    Fifth year: 8

    Sixth year: 8

What Makes Me Special?

A dual-purpose sea holly offering young green flowers as well as intense purple-blue mature blooms on sturdy stems that provide exceptional texture, color, and long-lasting performance for fresh and dried floral arrangements.

Landscape Use

Sunny borders, cutting gardens, pollinator plantings, and naturalistic perennial plantings where bold texture, architectural form, and vivid blue color are desired.

Pruning

Cut spent blooms to the ground to encourage a 2nd flush of flowers

Propagation

Tissue Culture

Who Am I?

  • Common Name:
    Magical® Purple Stars sea holly
  • Botanical Name:
    Eryngium planum 'Kolmpurst'
  • Type:
    Perennial

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