Allium Multibulbosum nigrum 10/12cm

Ornamental Onions

From £5.49

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10-12cm Bulbs
Delivery within 28 days
  • Suitable for planting in sunny and partially shaded locations
  • Suitable for growing in pots and containers
  • Excellent for cut flowers
  • Summer flowering time
  • GREEN foliage colour
  • WHITE flowering Colour

Availability to buy and flowering time

J F M A M J J A S O N D
Available to Buy Flowering Time

Product Description

Allium Multibulbosum Nigrum produces large white headed flowers, slightly flatter than other ball like Alliums. Its compact head is made up of flowers featuring dainty white petals surrounding dark green centres. Suspended on tall 70- 75cm stems these beautiful Alliums create a striking display rising up at the back of the border. Flowers May-June. Height 75cm. 10-12cm bulbs supplied.

Plant Size

Mature Height 75 cm
Mature Spread 10 cm
Plant Spacing 10 cm
Annual Growth 75 cm

Planting Notes

Planting Plant three to four times their own depth
Soil Type Fertile, well drained soil.

Growing at a glance…

Plant in fertile, well-drained soil at approx 10cm apart and at a depth of roughly 3-4 times the size of the bulb. Larger bulbs should be spaced 20cm apart. Leave untouched for a number of years until the bulbs have multiplied and divide if necessary. Smaller alliums can be grown in containers, but ensure it's large enough to space the bulbs an appropriate distance apart.

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