Botanical Name: Eryngium
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Common Name: Sea Holly  
Plant photo of: Eryngium
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Water Saving Tip:

Replace turf with groundcovers, trees, and shrubs. If you have areas where no one uses the grass, patches that do not grow well, or a turf area too small to water without runoff, consider replacing the turf with water-efficient landscaping.

  • Anatomy

  • Culture

  • Design

Plant Type

Perennial, Biennial

 

Height Range

1-3'

 

Flower Color

Blue, Green, Violet, White

 

Flower Season

Summer

 

Leaf Color

Grey Green, Silver, White

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Information by: Stephanie Duer
Photographer: JJ Neilson Arboretum
  • Description

  • Notes

This group of perennials is so distinctive; they are sort of thistle-like, but with more refinement and and delicacy. There are several species with many cultivars, ranging in heights from 2 to 4 feet tall and about half as wide. They tend to be erect and stiff, with deeply lobed or toothed leaves, ranging from deep green to nearly whitish blue. Flowers are thistle-like, are frequently set atop showy bracts, and bloom late summer.