Eryngium planum

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Blue Sea Holly

 
Plant photo of: Eryngium planum
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Information by: J.J. Neilson Arboretum        Photographer: Susan Frommer

 

Description

Eryngium planum is a perennial. Stem leaves are blue tinted, with three to five lobes or sections. Rounded, 1/2-3/4 in. wide, light blue flower heads are surrounded by narrow blue-green bracts.

 

  • 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

Sun

Full

 

Water

Medium

 

Growth Rate

Moderate

 

Soil Type

Sandy, Rocky

 

Soil Condition

Poor, Well-drained

 

Soil pH

Neutral, Basic

 

Adverse Factors

n/a

Design Styles

Seascape

 

Accenting Features

Showy Flowers

 

Seasonal Interest

Summer, Fall

 

Location Uses

Perennial Border

 

Special Uses

Filler

 

Attracts Wildlife

n/a

Water Saving Tip:

Check your irrigation systems at least once per month (or after each mowing).

Monitor each cycle to identify obvious problems and to confirm that all of the components are functioning properly.

Contact your water agency for assistance.