Allium 'Nigrum' Bulbs

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Shade Full Sun
Area Frost Pockets, Scotland & The North
Soil Good, Well Drained
Colour White/Cream
Also Good Seedheads
Flowering May, Jun

Allium hollandicum 'Nigrum'

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  Buy 2 or more bareroot packs and save

SIZES 1 2-910+
Pack of 25 Plenty of Stock£11.75Plenty of Stock£9.90Plenty of Stock£9.48
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Allium Nigrum

Allium nigrum bulbs (full latin name Allium hollandicum Nigrum) despite its name is a white allium bulb. It produces tall stemmed, creamy white globular flowers in late spring or early summer depending on weather and location.

Allium nigrum is a favourite in our range of flowering alliums with delicate star-shaped flowers in pom-pom clusters that form most a nearly complete sphere; think of a tennis ball with a bit cut off !).

The blooms are made up of creamy-white to light-purple petals surrounding a green pearl-like centre; a jewel of the garden. Presented on tall stems growing up to 90cm in height, allium nigrum creates what the Royal Horticultural Society (RHS) calls 'a striking silhouette.'

This is one of the larger and more versatile of the flowering allium family. It's a robust, very hardy, clump forming perennial and is ideal for a sunny herbaceous border. Plant in groups for the greatest impact.

Why we like it

  • It's versatile; creating a dramatic contemporary statement, or equally at home in a traditional cottage garden
  • Easy to care for and very hardy

Planting Allium Nigrum know-how

  • Plant in autumn in a sunny or shady spot
  • Plant bulbs 15cm deep and 10-15cm apart
  • A total spread averaging 30cm
  • Likes fertile well drained soil
  • Its grey-green leaves start to die back after blooming in early summer, so disguise amongst floor-covering flowers and shrubs

Top tip

Avoid over watering in late summer once they become dormant, says the RHS.

White alliums have grown in popularity after their appearance in Cleve West's winning Best in Show Garden at the Chelsea Flower Show 2012. Confusingly, pioneering botanist Linnaeus named the predominantly white flowered Allium nigrum - meaning black - after its dark-green-black centre.

  • Small Box

    Small box

    (Orders containing only seedlings or rooted cuttings)

    £7.20

    including VAT per order

    FREE

    For ORDERS
    Over £60 inc VAT

  • Standard box

    (Bareroots up to
    1.2m)

    £11.40

    including VAT per order

    FREE

    For ORDERS
    Over £60 inc VAT

  • Large box

    (Pots up to
    and incl. 7.5L)

    £15.00

    including VAT per order

    FREE

    For ORDERS
    Over £100 inc VAT

  • Trees & Hedging

    (Bareroots &
    trees 1.2m+)

    £18.00

    including VAT per order

    FREE

    For ORDERS
    Over £120 inc VAT

  • Pallets

    (Root balls, large pots,
    trees etc)

    £60.00

    including VAT per order

    FREE

    For ORDERS
    Over £240 inc VAT


Bareroot planting is best done between October and April
Bareroot and potted - what's the difference?

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