The Story
'Superbum' has more shimmering-blue flowers than the common Alpine Sea Holly.
The leaves are oval or heart-shaped. Typically flowers between July through September. Stems are erect and strong making it a great cut flower.
Flowers of Eryngium alpinum attract honeybees and bumblebees. Alpine Sea Holly is cultivated as an ornamental plant for its blue and purple flowerheads. It requires dry, well-drained soil and full sun.
Type: Hardy perennial
Hardiness zones: 4-8
Height: 28", 70 cm
Location: Sun
Seeds per packet: 15
Description
'Superbum' has more shimmering-blue flowers than the common Alpine Sea Holly.
The leaves are oval or heart-shaped. Typically flowers between July through September. Stems are erect and strong making it a great cut flower.
Flowers of Eryngium alpinum attract honeybees and bumblebees. Alpine Sea Holly is cultivated as an ornamental plant for its blue and purple flowerheads. It requires dry, well-drained soil and full sun.
Type: Hardy perennial
Hardiness zones: 4-8
Height: 28", 70 cm
Location: Sun
Seeds per packet: 15
