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Allium sphaerocephalon · Amaryllidaceae

Round-headed Leek

✅ Pet-friendlyIt is a deciduous plant, losing foliage after flowering.30 to 60 cm
Full sunLow; drought tolerant.EasyWithstands light frosts down to minus 5 degrees Celsius.

Description & origin

The round-headed leek is a bulbous plant with spherical purple flowers. It is ideal for Mediterranean gardens and attracts pollinators. Thrives in well-drained soils and full sun.

Size

Remains compact, ideal for borders and beds.

Foliage

Deciduous foliage, disappears after flowering.

Flowering

Blooms in summer with showy spherical flower heads.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Needs well-drained soil, preferably sandy or rocky.

Watering

Requires low watering, tolerates drought well.

Temperature

Tolerates cold well but prefers temperate climates.

Fertilising

Lightly fertilize in spring to encourage growth.

Repotting

Transplant bulbs every 3-4 years to avoid overcrowding.

Pruning

Remove spent flowers to encourage new blooms.

Propagation

Easily propagated by bulb division in autumn.

Common problems

Bulb rot

Occurs in poorly drained soils, causing bulb decay.

Rust

Fungal disease causing orange spots on leaves.

Nematode attack

Small worms that can damage bulbs.

Uses & curiosities

In the garden

  • Attracts pollinators
  • Ideal for borders
  • Suitable for Mediterranean gardens

Other uses

Used in floral arrangements for its unique shape.

Did you know…

This plant is often used in floral arrangements due to its unique shape and vibrant color.