Eryngium planum 'Jade Frost'

Eryngium planum ‘Jade Frost’

Sea holly

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does not flower in June

Plant does flower in July

Plant does flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Eryngium planum 'Jade Frost'
  • Common name: Sea holly
  • Family: Apiaceae
  • Plant Type: Perennial
Flower colour:

Blue

White

Foliage colour:

Variegation

Eryngiums make a striking addition to dry, sunny borders and gravel gardens. They have thistle-like flowers, made up of tiny flowers packed together in a tight cluster, surrounded by a ruff of spiny bracts. The flowerheads last well when cut and can also be dried.

Advertisement

Eryngium planum ‘Jade Frost’ is a relatively small sea holly with green, cream-edged leaves and flowerheads that start out off-white before turning a rich indigo tone. It’s perfect for growing at the front of a herbaceous border, gravel garden or in a container, and makes a wonderful cut flower, both in fresh and dried arrangements. For best results grow Eryngium planum ‘Jade Frost’ in free-draining soil, in a sunny position. Protect from excessive winter wet.

How to grow Eryngium 'Jade Frost'

  • Plant size

    40cm height

    30cm spread

  • Aspect

    South facing, west facing

  • Position in border

    Front

  • Sun exposure: Full sun
  • Hardiness: Hardy
  • Soil type: Chalky / alkaline / clay / heavy / moist / well drained / light / sandy

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do Plant in July

Do Plant in August

Do Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does not flower in June

Plant does flower in July

Plant does flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Take cuttings
Take cuttings

Do Take cuttings in January

Do Take cuttings in February

Do not Take cuttings in March

Do not Take cuttings in April

Do not Take cuttings in May

Do not Take cuttings in June

Do not Take cuttings in July

Do not Take cuttings in August

Do not Take cuttings in September

Do not Take cuttings in October

Do not Take cuttings in November

Do not Take cuttings in December

Eryngium 'Jade Frost' and wildlife

Eryngium 'Jade Frost' is known for attracting bees, butterflies​/​moths and other pollinators. It has nectar/pollen rich flowers.

Attractive to Bees

Does not attract Beneficial insects

Does not attract Birds

Attractive to Butterflies​/​Moths

Attractive to Other pollinators

Is Eryngium 'Jade Frost' poisonous?

Eryngium 'Jade Frost' has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People