Eryngium alpinum

About this plant

Rounded flowerheads are surrounded by finely cut, metallic-looking blue bracts, creating the distinctive spiky outline of this alpine sea holly above its green foliage in sunny summer planting.

Supplied bare root · supplier grade I, without a nursery pot. Any grade shown is the supplier's bare-root grade, not a pot measurement. One live plant. Individual specimens vary naturally in height, leaf colour and form with age, season and growing conditions. Photographs show the variety; the specimen supplied may differ.

Growing and care

• Light: Full sun; sharply drained soil, avoiding winter wet.
• Seasonal interest: Summer
• Hardiness / temperature: RHS H5: minimum winter temperature range -15 to -10°C.
• Soil: Sharply drained soil; avoid waterlogging and winter wet.
• Aftercare: Protect the unpotted roots from drying out before planting.