Eryngium planum 'Blue Cap' (Sea-Holly)

Eryngium planum 'Blaukappe'

(Eryngium planum 'Blue Cap')

Clump-forming perennial

Height: 70cm when in flower

Spacing: 30cm

Full sun

Flowering: summer/autumn

Meadow/Prairie-style gardens

Cottage-style gardens

Perennial borders

Bees & Butterflies

Drought tolerance: good

Frost tolerance: very good

Wind tolerance: moderate

Suggested plantings:

·         Cluster of 5 or more plants.

Self-seeding can be minimised by:

·         Removing dead flowers before seeds mature.

·         Applying a layer of mulch about 5cm deep.