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.
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
Container
Cut Flower/ Foliage
Dried Flower/ Foliage
Drought Tolerant
Garden
Heat Tolerant
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.

