Alpine Sea Holly 'Blue Star'

Eryngium alpinum 'Blue Star', commonly known as Alpine Sea Holly, is a striking perennial prized for its thistle-like, metallic blue flower heads. These intricate blooms are surrounded by spiny, silvery-blue bracts, creating a architectural display perfect for rock gardens or borders.

Sun: Full sun.

Soil: Well-drained, sandy soil.

Hardiness: H5 — down to −15°C.

Flowering: Jul, Aug, Sep.