Photo of Eryngium caeruleum flower by Jerzy Opioła

Photo by Jerzy Opioła

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Eryngium caeruleum

Also Known As

  • Eryngium caucasicum

Plant type

perennial

size

  • H: 2'-3'
  • W: 1'-2'

planting zones

  • 5a-10b

More Options

Eryngium caeruleum plant details

Eryngium caeruleum is a broadleaf deciduous perennial with green foliage. In spring and summer blue flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and occasional - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in average, gritty and well-drained soil.

CHARACTERISTICS OF Eryngium caeruleum

Plant type: perennial
Plant family: apiaceae
Foliage: deciduous green
Mature size: 1 FT - 2 FT - wide, 2 FT - 3 FT - tall
Flowers: blue blooms in spring and summer

GROWING CONDITIONS for Eryngium caeruleum

USDA Zones: 5a - 10b
Sun exposure: sun - mostly sun
Watering frequency: occasional - low
Soil needs: average, gritty and well-drained

Nursery contributed plant descriptions

A smaller species, with round, non-spiny leaves and the usual round heads of flowers surrounded by a collar of bracts that are (as the name suggests) flushed with blue. Zone 5, guessing.

Gardening facts about Eryngium caeruleum plant

How to Grow Eryngium caeruleum

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • occasional - drought tolerant
  • Soil Needs

    • adaptable
    • average
    • well-drained
    • gritty

Features

  • Foliage Color

    • green
  • Flower Color

    • blue
  • Wildlife

    • bees
  • Flower Season

    • spring
    • summer
  • Foliage Season

    • deciduous

Landscape groups by tags

See other plant types of Eryngium for your garden

Plant Type

Perennial

Zones

7a-10b

Size

Height: 5'

Width: 3'

  • sun - mostly shade
  • even moisture - regular
Photo of Eryngium alternatum foliage by Stan Shebs
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aka Chupalla, Sea Holly

Plant Type

Perennial

Zones

8a-11

Size

Height: 2'-6'

Width: 2'-4'

  • sun - mostly shade
  • even moisture - drought tolerant
Photo of Eryngium paniculatum flower by Stan Shebs
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aka Eryngium bromeliifolium, Agave Leaved Sea Holly, Sea Holly

Plant Type

Perennial

Zones

6a-9b

Size

Height: 3'-5'

Width: 24"

  • sun
  • even moisture - drought tolerant
  • dry in summer
Photo of Eryngium agavifolium foliage, form by Kenpei
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More Options

aka Mediterranean Sea Holly

Plant Type

Perennial

Zones

4a-9b

Size

Height: 2'

Width: 1'

  • sun
  • even moisture - drought tolerant
Photo of Eryngium bourgatii foliage by Cistus Nursery
View Plant

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aka Sapphire Blue Sea Holly

Plant Type

Perennial

Zones

5a-9b

Size

Height: 2'-3'

Width: 1'-2'

  • sun
  • even moisture - drought tolerant
Photo of Eryngium 'Sapphire Blue' PP11088 flower by Dancing Oaks Nursery
View Plant

More Options

+41 more Eryngium
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