Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'
Allium multibulbosum 'Nigrum'

Allium multibulbosum 'Nigrum'

Allium multibulbosum 'Nigrum'

5 bulbs — £3.75

Order today, receive in August/September
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Delivery schedule

Orders placed before 1 September 2024
You can expect your order in August/September

Orders placed 1 September - 15 October 2024
You can expect your order in September/October

Orders placed 16 October - 15 December 2024
You can expect your order within 10 business days

Free delivery on UK orders over £50
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Shipping to the UK

UK orders over £50
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UK orders under £50
£4.99

Northern Ireland orders under £50
£5.99

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Carbon neutral delivery

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— Ship carbon neutral;
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Description

If you’re looking for something to fill the colour gap between spring and summer, this gorgeous white Allium multibulbosum 'Nigrum' will happily stride in right there and fill the role! Also known as ‘black garlic’, Allium multibulbosum 'Nigrum' has wonderful rounded flower heads above tall, strong stems which bring structure and height to the garden and seamlessly pick up the slack just as other spring flowers are starting to fade. The flower clusters are densely packed with white blooms, each spotted with a green bead-like centre which add a lovely bit of extra detail.

This versatile variety looks great in any type of garden, whether you have a traditional floral planting scheme, white garden or structural shrubs and ornamental grasses. It’s fully hardy, resilient and non-fussy too, which makes it a great choice if you’re looking for a low-maintenance option. Allium multibulbosum 'Nigrum' naturalises freely, each year returning with bigger and better displays.

Don’t forget to snip a few stems to enjoy as cut flowers in your home too – these high-impact blooms have an impressive vase life!

Key features

  • Good for cutting

  • Comes back every year

  • Attractive to wildlife

  • Loved by pollinators

  • Thrives well in full sun

  • Packed in paper bags

  • Low maintenance

  • Fully hardy

  • Rodent resistant

Specs & details

  • Botanical name

    Allium multibulbosum 'Nigrum'

  • Flower colour

    White

  • Bulb size

    14/+

  • Established height

    70cm-1m

  • Established spread

    20-30cm

  • Plant spacing

    40 bulbs per m2

  • Leaf colour

    Green

  • Habit

    Upright

  • Life cycle

    Perennial

  • Hardiness

    Fully hardy

  • Years to establish

    1st year

  • Sunlight

    Full sun

  • Position

    Sheltered

  • Suitable for

    Large containers
    Borders
    Gravel gardens
    Wildlife gardens
    Cottage gardens
    Low maintenance gardens
    Cut flower gardens

  • Soil acidity

    Any

  • Soil moisture

    Free draining

  • Soil type

    Loam
    Sandy
    Clay
    Stony
    Multipurpose compost

  • Growing skill

    Easy to grow

  • Scented

    No

  • Pollinator-friendly

    Yes

  • Mouse resistant

    Yes

  • Rabbit resistant

    Yes

  • Deer resistant

    Yes

  • Toxicity

    Skin/eyes irritant

Plant calendar

JanFebMarAprMayJuneJulyAugSepOctNovDec
  • Planting
  • Flowering

Useful information

    • Plant your Allium multibulbosum 'Nigrum' bulbs from mid to late autumn;

    • Plant in borders or containers in sun or partial shade;

    • Plant your bulbs two to three times as deep as the bulb is high;

    • Space the bulbs about twice the bulb diameter apart;

    • Place the Allium multibulbosum 'Nigrum' bulbs with the pointed side facing upwards.

    Read all Allium planting & care instructions

  • Orders placed before 1 September 2024
    You can expect your order in September 2024

    Orders placed 1 September - 15 October 2024
    You can expect your order in October 2024

    Orders placed 16 October - 15 December 2024
    You can expect your order within 10 business days

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