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Eryngium planum

Blue or False Sea Holly

Plant photo of: Eryngium planum
Information by: PlantMaster        Photographer: Susan Frommer

 

Description

Eryngium planum is a perennial that quickly reaches 2' tall and wide. Evergreen leaves are heart-shaped and deep green. During the summer, thin wiry stems appear with tiny blue flowers on top, which look like thistles. These flowers can be dried for arrangements. This plant does well in hot and dry areas, even with high salt in soil. It does well in sandy, poor soil. It does best in full sun. It needs well draining soil and will not soggy soil in winter. Bees and butterflies love this plant. It does well in coastal areas. It has low water needs once it's established.

 

Plant Type

Perennial

Height Range

1-3'

Flower Color

Blue

Flower Season

Summer

Leaf Color

Dark Green

Bark Color

n/a

Fruit Color

n/a

Fruit Season

n/a

Sun

Full

Water

Low

Growth Rate

Fast, Moderate

Soil Type

Sandy, Rocky

Soil Condition

Poor, Well-drained

Soil pH

Neutral, Basic

Adverse Factors

Attracts Bees

Design Styles

Mediterranean, Ranch, Seascape, Spanish

Accenting Features

Showy Flowers

Seasonal Interest

Summer

Location Uses

Perennial Border

Special Uses

Cut Flowers, Filler

Attracts Wildlife

Butterflies

Water Saving Tip:

Check the soil's moisture level before watering.

You can reduce your water use 20-50% by regularly checking the soil before watering.