Big Blue Sea Holly

Overview

Eryngium x zabelii 'Big Blue' is a striking perennial that features vibrant, steel-blue flowers and spiny, sea-green foliage. Growing to a height of 24-30 inches with a spread of 8-12 inches, this drought-tolerant plant adds texture and color to sunny borders. Blooming from mid to late summer, its unique flower heads attract pollinators while deterring deer. Hardy in zones 4-9, 'Big Blue' delivers bold contrast in various garden settings.