Eryngium planum 'Blue Glitter'

Sea Holly


Photo courtesy of Swift Greenhouses

  • Shimmery blue flowers
  • Thistle-like flower heads and silvery-blue stems
  • Rosettes of foliage
  • Midsummer bloomer
Border or Bed
Border or Bed
Container
Container
Cut Flower/ Foliage
Cut Flower/ Foliage
Dried Flower/ Foliage
Dried Flower/ Foliage
Drought Tolerant
Drought Tolerant
Garden
Garden
Heat Tolerant
Heat Tolerant

Upright perennial with a clumping-habit and branched stems. Spiny, thistle-like green to blue-green foliage. Compound, globe-shaped, blue-grey flowers surrounded by a spiky, metallic blue bract. Blooms early to late summer. Great for mixed borders, rock gardens and wildflower gardens. It is an interesting dried flower for arrangements.



Homeowner Growing and Maintenance Tips:

Plant in well-drained soil and full sun Thrives in hot, dry location Low maintenance plant, does not transplant well - best left undisturbed once established


Height: 2-3 ft
Spread: 12-24 in
Spacing: 18-24 in
Price Level 1: $7.99 ea.~#1
Bloom Color: Blue
Zone: 4-8
Price Level 2: 5 for $35~#1
 

Additional Characteristics & Attributes:


Attributes:

  • Garden
  • Container
  • Drought Tolerant
  • Mass Planting
  • Cut Flower/ Foliage
  • Summer Bloomer
  • Rock Garden
  • Focal Point
  • Border or Bed
  • Dried Flower/ Foliage
  • Heat Tolerant
  • Salt Tolerant

Critter Resistance:

  • Deer Resistant
  • Rabbit Resistant

Exposure:

  • Full Sun

Habit:

  • Upright
  • Mounding

Foliage Color:

  • Blue
  • Silver

Season of Interest (Flowering):

  • Summer

Attracts Wildlife:

  • Attracts Hummingbirds
  • Attracts Pollinators
  • Attracts Songbirds
  • Attracts Butterflies

Soil Moisture:

  • Average Water
  • Moist, Well-Drained
  • Dry Soil


Genus Overview: Eryngium

Common Name: Sea Holly

Upright perennial with a clumping-habit and branched stems. Spiny, thistle-like green to blue-green foliage. Compound, globe-shaped, blue-grey flowers surrounded by a spiky, metallic blue bract. Blooms early to late summer. Great for mixed borders, rock gardens and wildflower gardens. It is an interesting dried flower for arrangements.