Agave Leaf Sea Holly
Eryngium
Sea Holly
From its leathery lobed leaves to the spiny decorative bracts that host the flower, the dynamic Sea Holly has a sense of movement that is up and out. Excellent in fresh or dried arrangements, the flowers are borne on tall branching stems, and the terminal blooms hold their color while lateral flowers develop, until the entire stem is covered with mature blossoms. Eryngiums love sharp-draining soil in the open sun, and are an arresting addition to the mixed border, especially when planted amidst Rudbeckia, Achillea and grasses.
Hailing from Argentina, this statuesque Agave look-alike wields a lustrous apple-green rosette with thick, sharp-toothed sword-like leaves. The impressive boldly-textured foundation shoulders steadfast upright flower stalks featuring a bee and butterfly-friendly candelabra of dense greenish white thimbles, which age to a warm cocoa color and make striking additions to cut arrangements. An easy-care semievergreen toughie for mixed borders, massed plantings or sentinel positions, Eryngium agavifolium can lodge amongst other sun-lovers such as Festuca mairei and Verbascum ‘Gainsborough’ where it relishes good drainage and handles drought once established.
Blooms July–September
Size: 4' 0" high x 2' 0" wide.
Hardy to zone 6.
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Other selections in this genus:
- Eryngium alpinum
- Eryngium amethystinum
- Eryngium ‘Big Blue’
- Eryngium ‘Blue Jackpot’
- Eryngium bourgatii
- Eryngium giganteum
- Eryngium planum ‘Blaukappe’
- Eryngium planum ‘Blue Glitter’
- Eryngium planum ‘Blue Hobbit’
- Eryngium planum ‘Silver Salentino’
- Eryngium planum ‘White Glitter’
- Eryngium proteiflorum
- Eryngium ‘Sapphire Blue’
- Eryngium variifolium
- Eryngium yuccifolium
- Eryngium x zabelii ‘Donard Variety’
- Eryngium x zabelii ‘Jos Eijking’
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