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

Even though it's hot, your lawn only needs to be watered twice a week to stay healthy.

And don't water the whole lawn for a brown spot—drag out a hose.

  • 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.