Allium Cowanii (Neapolitanum)

Sprays of pure white flowers. Allium Cowanii “Neapolitanum Group”. Plant en masse with Allium Roseum for a gorgeous long lasting flower display. These beautiful alliums are also excellent for cut flowers. Flower size around 5 cm.

Autumn Planting (Spring Flowering) bulbs are not available at present. They can be ordered from April. In the meantime, why not add your favourites to your wishlist ready to transfer to your shopping basket later?

This product is sold in 25s.

  • Shorter allium bulbs are excellent planted in bold clumps at the front of the border, containers or rock garden where their delightful will put on a glorious show for weeks, easy to grow and ideal for long lasting cut flowers.
    Colour White
    Month of Blooming June
    Planting Time Autumn, Summer
    Height 30 cm
    Special Features Bee and Pollinator Friendly, Naturalising, Animal Resistant
    Garden Position Sun, Partial shade
    Type of Soil Fertile, Well Drained
    Hardiness Hardy
    Delivery From end August
  • Alliums are best planted in fertile, well-drained soil in full sun, in a sheltered, open site. Tthey have a dislike of exposed, cold and wet conditions. 

    Allium Ursinum (wild garlic) bulbs are suitable for shade to semi shade.

    Plant smaller alliums around 8-15 cm deep with spacing of around 5-10 cm (around 75-100 per square meter)

    For larger taller varieties, plant around 15-20 cm deep with spacing or around 15-20 cm.

    Allium will grow in deep pots but use a good multi-purpose compost enriched with John Innes No.3 and grit.

    Lift and divide congested clumps after the flowers and foliage have died back.

    Please note that contact with the bulb may irritate the skin cause or aggravate some skin allergies so please take care when handling.

Allium Cowanii (Neapolitanum)

  • Allium Cowanii