Eryngium 'Sea Holly' Big Blue 3L
Common Name: Sea Holly Big Blue
Latin Name: Eryngium planum 'Big Blue'
Plant Type: Perennial
Description: Eryngium planum 'Big Blue' is a clump-forming perennial with spiny, silvery-blue foliage and striking metallic-blue flower heads surrounded by spiky bracts. It provides bold architectural interest from midsummer into early autumn, with attractive seed heads that extend seasonal appeal.
Garden Impact: Perfect for sunny borders, gravel gardens and wildlife-friendly planting, it adds strong texture and vivid colour to mixed displays. Its upright habit contrasts beautifully with softer flowering perennials and ornamental grasses.
Light & Water Requirements: Grow in full sun in well-drained soil and water sparingly once established.
Size (Fully Grown): Approximately 60-80cm high × 40-50cm spread
Pet Friendliness: Generally considered non-toxic to cats and dogs, although the spiny foliage can cause minor injury if handled or chewed.
Original: $18.75
-65%$18.75
$6.56
Description
Common Name: Sea Holly Big Blue
Latin Name: Eryngium planum 'Big Blue'
Plant Type: Perennial
Description: Eryngium planum 'Big Blue' is a clump-forming perennial with spiny, silvery-blue foliage and striking metallic-blue flower heads surrounded by spiky bracts. It provides bold architectural interest from midsummer into early autumn, with attractive seed heads that extend seasonal appeal.
Garden Impact: Perfect for sunny borders, gravel gardens and wildlife-friendly planting, it adds strong texture and vivid colour to mixed displays. Its upright habit contrasts beautifully with softer flowering perennials and ornamental grasses.
Light & Water Requirements: Grow in full sun in well-drained soil and water sparingly once established.
Size (Fully Grown): Approximately 60-80cm high × 40-50cm spread
Pet Friendliness: Generally considered non-toxic to cats and dogs, although the spiny foliage can cause minor injury if handled or chewed.
