Eryngium Alpinum Blue Star

Sea Holly

Eryngium Alpinum Blue Star

OUT OF STOCK
A dramatic hardy perennial also known as the Sea Holly. Large prickly cone-like centres surrounded by silvery blue spiny bracts on deep blue stems. A versatile plant, it's an incredibly popular choice for bouquets and dried flower displays and in the garden it will happily grow in a sunny border or in containers. Highly attractive to butterflies. Height 50-60 cm. Flowers July to September. First grade loose root plants supplied.

Key Product Information

Season Interest Summer
Flower Colour BLUE
Foliage Colour GREEN
Preferred Location
  • Suitable for planting in sunny locations
    sun
  • Suitable for planting in partially shaded locations
    part-shade
Positive attributes
  • Excellent for cut flowers
    cut-flower
  • Suitable for growing in pots and containers
    container
How Supplied First grade loose roots
Delivery Delivery within 28 days

Key Product Information

Delivery within 28 days

Season Interest

Summer

Flower Colour

BLUE

Foliage Colour

GREEN

Preferred Location
Suitable for planting in sunny locations
sun
Suitable for planting in partially shaded locations
part-shade
How Supplied

First grade loose roots

Flowering Time

  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D

Available to buy

  • J
  • F
  • M
  • A
  • M
  • J
  • J
  • A
  • S
  • O
  • N
  • D

Plant Size

Mature Height 60cm
Mature Spread 45cm
Plant Spacing 35cm
Annual Growth 60cm
Plant Spacing

35cm

Annual Growth

60cm

Mature Height

60cm

Mature Spread

45cm

Planting Plant in well dug prepared soil
Soil Type Well drained, fertile soil
Planting

Plant in well dug prepared soil

Soil Type

Well drained, fertile soil

Plant out as soon as possible. Plant in well dug prepared soil. Protect from excessive winter wet. Ideal for containers and front of border displays.
Cut back when the blooms begin to fade, as this will help encourage future growth.
  • Information
  • Key Product Information

    Season Interest Summer
    Flower Colour BLUE
    Foliage Colour GREEN
    Preferred Location
    • Suitable for planting in sunny locations
      sun
    • Suitable for planting in partially shaded locations
      part-shade
    Positive attributes
    • Excellent for cut flowers
      cut-flower
    • Suitable for growing in pots and containers
      container
    How Supplied First grade loose roots
    Delivery Delivery within 28 days

    Key Product Information

    How Supplied

    First grade loose roots

    Delivery within 28 days

    Season Interest

    Summer

    Flower Colour

    BLUE

    Foliage Colour

    GREEN

    Preferred Location
    Suitable for planting in sunny locations
    sun
    Suitable for planting in partially shaded locations
    part-shade

    Flowering Time

    • J
    • F
    • M
    • A
    • M
    • J
    • J
    • A
    • S
    • O
    • N
    • D

    Available to buy

    • J
    • F
    • M
    • A
    • M
    • J
    • J
    • A
    • S
    • O
    • N
    • D

    Plant Size

    Mature Height 60cm
    Mature Spread 45cm
    Plant Spacing 35cm
    Annual Growth 60cm
    Annual Growth

    60cm

    Mature Height

    60cm

    Mature Spread

    45cm

    Plant Spacing

    35cm

    Planting Plant in prepared soil, with a hole large enough to firmly hold the module.
    Soil Type Well drained fertile soil.
    Pruning Deadhead as necessary to prolong flowering.
    Planting

    Plant in well dug prepared soil

    Soil Type

    Well drained, fertile soil

  • Planting & growing Instructions
  • Plant out as soon as possible. Plant in well dug prepared soil. Protect from excessive winter wet. Ideal for containers and front of border displays.
    Cut back when the blooms begin to fade, as this will help encourage future growth.