Sea holly
Common Name: Sea holly
Genus: Eryngium
Species: planum
Cultivar: 'Blaukappe'
Skill Level: Beginner
Exposure: Full sun
Hardiness: Hardy
Soil type: Well-drained/light, Moist, Sandy
Height: 90cm
Spread: 45cm
Time to plant seeds: September to October
Time to divide plants: March to March
Flowering period:
July
to
September
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.
Looks good with:
Perovskia 'Blue Spire'Sedum spectabile 'Septemberglut'
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