Allium Rosenbachianum

Sultry dark violet, the flowers have dark mid veins with white stamens, Allium Rosenbachianum has over 50 flowers on spherical heads, one of the first allium bulbs to flower, they may flower with or just after late flowering tulips, flower size is around 7-10 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 3s.

  • Allium Rosenbachianum are heirloom allium bulbs, excellent for cut flowers and dried flower arrangements. Plant in groups for best effect. Deer and Rabbit resistant.
    Colour Lilac, Purple
    Month of Blooming May (Late)
    Planting Time Autumn, Winter
    Height 100 cm
    Special Features Good for Cut Flowers, Animal Resistant
    Garden Position Sun
    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 Rosenbachianum