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Eryngium planum

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.

 

Plant Type

Perennial

Height Range

1-3'

Width Range

Under 1'

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:

Change spray sprinklers to low-flow bubbler or drip systems.

Shrubs and trees are ideal candidates for this type of irrigation because the water is applied directly to the root zones.