Allium nigrum

ornamental onion

2 litre pot £8.99 £5.99 Buy
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1 year guarantee

  • Position: full sun
  • Soil: fertile, well-drained soil
  • Rate of growth: fast-growing
  • Flowering period: May to June
  • Flower colour: white
  • Other features: grey-green leaves
  • Hardiness: fully hardy

    The grey-green leaves of this ornamental onion generally have started to die back when the flowers emerge in early summer. These sit on tall, sturdy stems forming flattish clusters that create a striking silhouette. Each creamy-white to pale lavender flower has a pronounced ovary at its heart, which looks a little like a green pearl, nestled in the centre.

  • Garden care: Avoid excessive mositure from late summer when they become dormant. Over-large clumps can be lifted and divided in autumn or spring.

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