About
A cheerful annual, reaching 30-80cm, with a bushy habit with fresh green foliage. It produces abundant flowers all season. 'Opal' is valued in garden settings.
About the genus
Eryngium can be annuals, biennials or perennials with simple or divided leaves, often spiny edged, and cone-like flower-heads often surrounded by an involucre of conspicuous spiny bracts
Plant details
Suggested usesBedding, containers, hanging baskets
Care notes
CultivationFertile, moist soil in full sun
PruningDeadhead regularly
PropagationSow seed in spring
Pest resistanceAphids and slugs
Disease resistanceGrey mould in wet conditions