Plant details
This attractive sea holly forms clumps of evergreen, soft, deep green heart-shaped leaves. In early summer, the thin wirey stems emerge, set with spiny leaves. The branch stems carry a profusion of small, sea holly flowers in bright, steely blue. This tall sea holly is perfect for the back of a sunny border. Avoid cutting back the dead flower heads, as they provide interest during the winter months.
Family: Apiaceae
Genus: Eryngium
Species: planum
Cultivar: Blaukappe
Plant type: Hardy perennial
Flower colour: Blue
Foliage colour: Dark green
Feature: Attractive seed-heads, Flowers
Sun exposure: Full sun
Soil: Well-drained/light, Moist, Sandy
Hardiness: Hardy
Skill level: Beginner
Height: 90cm
Spread: 45cm
Time to plant seeds: September to October
Time to divide plants: March to March
Flowering period: July to September
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