Eryngium alpinum <br>'BLUE STAR' ALPINE SEA HOLLY
This Blue Star Sea Holly is likely the bluest of all! Alpine Sea Holly plants generally reaches about 30-70 cm (12-28") in height, with a maximum of 100 cm (40"). The basal leaves are oval or heart-shaped. The blue flowers occur in July through September. Stems are erect and strong.
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: Up to 70 cm, 28"
Location: Sun
Seeds per packet: 10
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Description
This Blue Star Sea Holly is likely the bluest of all! Alpine Sea Holly plants generally reaches about 30-70 cm (12-28") in height, with a maximum of 100 cm (40"). The basal leaves are oval or heart-shaped. The blue flowers occur in July through September. Stems are erect and strong.
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: Up to 70 cm, 28"
Location: Sun
Seeds per packet: 10
