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Eryngium alpinum

Bluetop sea holly

Garden

Wishlist

  • Eryngium alpinum | Copyright Greenplantswap 2017

Features

  • BloomsJuly to September
  • Height0.6m to 0.8m
  • Spread0.3m to 0.65m
  • Growth HabitRosette
  • Flower ColourBlue-mauve
  • Leaf ColourLight green shades

Description

Eryngium alpinum (Bluetop sea holly). 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.

Characteristics

Perennial, Deciduous or Evergreen, Fragrant

Other common names

Sea holly

Origin

Europe

Interest and use

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

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  • Eryngium alpinum | Copyright Greenplantswap 2017

Needs

  • LightFull sun
  • HardinessFully hardy (min -15°C)
  • SoilWell drained, Fertile, Sandy
  • Soil pH7.0
  • WaterSemi-moist or Dry

Cultivation

They will tolerate poor dry soil and salt spray. This species is more tolerant of shade and heavy soils with full sun.

Propagation

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

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