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

Water-wise plants can be beautiful as well as practical.

Take your 'My List' Hydrozone Report to a landscape designer, or local nursery, when selecting and purchasing plants.

  • Anatomy

  • Culture

  • Design

Plant Type

Perennial

 

Height Range

1-3'

 

Flower Color

Blue

 

Flower Season

Summer, Fall

 

Leaf Color

Blue Green, Grey Green, Silver, White

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Information by: Stephanie Duer
Photographer: Susan Frommer
  • Description

  • Notes

One of the Eryngium speicies, with violet blue thistle-like flowers and grey-green leaves with a tinge of purple. A striking addition to a perennial border. Grows about 24 to 36 inches tall and half as wide. Tolerates drier soils than other sea holly.