Eryngium alpinum
BLUE STAR ALPINE SEA HOLLY
SKU: 992-010
Description
This Blue Star Sea Holly is likely the bluest of all! Alpine Sea Holly plants generally reaches about 30–70 centimetres (12–28 in) in height, with a maximum of 100 centimetres (39 in). The basal leaves are oval or heart-shaped. The blue flowers occur in July through September. Stems are erect and strong.
This plant is native to Austria, Liechtenstein, Croatia, France, Switzerland, Italy, and Slovenia. It grows in subalpine scrub, rocky areas and wet pastures, preferably in limestone, at an altitude of 1,500–2,000 metres (4,900–6,600 ft) above sea level.
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
Height: Up to 70 cm, 28"
Location: Sun
Hardiness zones: 4-8
Seeds per pack: 10 (previously 5 seeds)
Germination: Start these seeds indoors right away for best germination rates. Your planting container should have holes in the bottom for excess water to drain. Sow the seeds on the surface a seed-start mix and water in. Do not bury the seeds as they require light to germinate. Keep lightly moist and do not let the soil dry out. Keep at 20-22 °C, 68-72 °F. Seeds germinate in 10-30 days.
Description
This Blue Star Sea Holly is likely the bluest of all! Alpine Sea Holly plants generally reaches about 30–70 centimetres (12–28 in) in height, with a maximum of 100 centimetres (39 in). The basal leaves are oval or heart-shaped. The blue flowers occur in July through September. Stems are erect and strong.
This plant is native to Austria, Liechtenstein, Croatia, France, Switzerland, Italy, and Slovenia. It grows in subalpine scrub, rocky areas and wet pastures, preferably in limestone, at an altitude of 1,500–2,000 metres (4,900–6,600 ft) above sea level.
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
Height: Up to 70 cm, 28"
Location: Sun
Hardiness zones: 4-8
Seeds per pack: 10 (previously 5 seeds)
Germination: Start these seeds indoors right away for best germination rates. Your planting container should have holes in the bottom for excess water to drain. Sow the seeds on the surface a seed-start mix and water in. Do not bury the seeds as they require light to germinate. Keep lightly moist and do not let the soil dry out. Keep at 20-22 °C, 68-72 °F. Seeds germinate in 10-30 days.
