EUROPEAN SEA HOLLY Eryngium maritimum
Eryngium maritimum, the sea holly or seaside eryngo, is a species of Eryngium native to most European coastlines. It resembles a plume thistle with flowers that are metallic blue! Protected from winds this dune plant grows to a height of 20 to 60 cm. Although widespread, it is considered endangered in many areas, such as Germany where its occurrence has been greatly reduced throughout and has become locally extinct in several districts.
Type: Hardy perennial
Hardiness zones: 4-10
Height: 60 cm, 24"
Seeds per pack: 3
Germination: This plant is easy to germinate. Your planting container should have holes in the bottom for excess water to drain. Place seeds just under the surface of the growing mix, and keep moist until germination, at room temperature. Do not over-water. Place in a sunny location once seedlings emerge.