Alphabetical Plant Listing

Eryngium maritimum (Sea Holly)

Sea Holly, Sea Eryngo, See Eryngium, Sea Holm


Highly ornamental, Eryngium maritimum (Sea Holly) is a semi-evergreen, clump-forming perennial with rosettes of waxy, spiny, blue-gray leaves adorned with white veins. In summer, the stiff stems boast thistle-like, blue flower heads adorned with collars of spiky bracts. Native to the sandy beaches of Europe, Sea Holly appreciates sandy and sunny conditions. Perfect for coastal areas and rock gardens.

  • Grows in clumps of stiffly erect, branched stems up to 24-36 in. tall and wide (60-90 cm)
  • Performs best in full sun in sand dunes or shingle. Drought tolerant.
  • Excellent choice for gravel gardens and coastal gardens. May be planted as a single specimen or in groupings. Perfect for cut or dried flower arrangements too!
  • Propagate by seed in fall
  • Native to Europe

Learn How To Plant, Care, and Grow Spectacular Sea Holly (Eryngium)

Attractive, Sea Holly plants (Eryngium) are striking ornamental perennials grown for their arresting, thistle-like, silvery or blue tinted flower heads adorned with a ruff of showy bracts. Blooming in summer and sometimes into fall, they are exceptionally care-free plants if they are given a well-chosen site. Here are some basic rules that need to be followed to enjoy their splendid flowers.Read More

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Requirements

Hardiness 5 – 10
Plant Type Perennials
Plant Family Eryngium - Sea Hollies
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Low
Maintenance Low
Soil Type Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy, Semi-Evergreen
Native Plants United Kingdom
Tolerance Deer, Drought, Dry Soil, Salt
Attracts Birds, Butterflies
Garden Styles Coastal Garden, Gravel and Rock Garden

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Great Plant Combination Ideas with Eryngium - Sea Hollies

Guides with Eryngium - Sea Hollies


By P. Qvist, Karin de Jonge-Fotografie /Shutterstock, (c) Gerhard Bock, SucculentsandMore.com

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 10
Plant Type Perennials
Plant Family Eryngium - Sea Hollies
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Low
Maintenance Low
Soil Type Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy, Semi-Evergreen
Native Plants United Kingdom
Tolerance Deer, Drought, Dry Soil, Salt
Attracts Birds, Butterflies
Garden Styles Coastal Garden, Gravel and Rock Garden

Great Plant Combination Ideas with Eryngium - Sea Hollies

Guides with Eryngium - Sea Hollies

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