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Bluetop sea holly, Sea holly
Eryngium alpinum ‘Superbum’ (Bluetop sea holly). Has spikes of large dark blue flowers in early summer and green leaves tinged blue.
They will tolerate poor dry soil and salt spray. This species is more tolerant of shade and heavy soils with full sun.
Walls, rock garden, border, wildflower/meadow, dried arrangements. Summer interest. Suitable for coastal conditions.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record