A picture of a Alpine Sea Holly

Alpine Sea Holly

Eryngium alpinum

Also known as

Alpine Eryngo, Bluetop sea holly, Sea holly

Full Sun
Light watering
Frost Hardy

H5

RHS hardiness

-15°C

Minimum temperature

Expected size

Height
Spread

1m

Max

50cm

50cm

Min

10cm

5 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Alpine Sea Holly

A photo of Alpine Sea Holly
A photo of Alpine Sea Holly
A photo of Alpine Sea Holly

Alpine Sea Holly Overview

This species is a rosette perennial with silver to bluish-purple, frilled large flowers which are excellent cut flowers. The upper part of the stem may turn a deep blue.

How to propagate Alpine Sea Holly

Cuttings

Propagate species from fresh seed; selected forms by root cuttings in winter.

Seed

Division

Division in spring.

Other uses of Alpine Sea Holly

Walls, rock garden, border, wildflower/meadow, dried arrangements. Summer interest. Suitable for coastal conditions.