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sea holly | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

sea holly

Eryngium maritimum

Genus: Eryngium
Family: Apiaceae
Common Names: sea eryngium, sea eryngo, sea holm

About this plant

E. maritimum is a clump-forming perennial to around 60cm in height. Leaves are waxy, stiff and spiny, blue-green in colour with white veins. Flowerheads of globular blue umbels are borne in April to September surrounded by collars of spiky bracts

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full Sun

Soil

Sandy

AlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Well Drained

Aspect

East FacingSouth FacingWest Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Occurs naturally on coast lines in sand dunes or shingle so prefers free-draining, sunny conditions

Pruning

None required

Propagation

Propagate by seed in autumn

Pests

Generally trouble free

Diseases

Generally trouble free

Garden Uses

Uses

Hedging ScreensFlower Borders

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years