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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:

Dig-up patches of weeds and undesirable grasses from turf areas.

Use water to grow the turf you want, not the weeds you don't want! Once you have eliminated what you don't want, add sod or over-seed to repair the bare areas.