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Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum' Allium Bulbs 'Giganteum' Allium Bulbs 'Giganteum' Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum' Allium Bulbs 'Giganteum' Allium Bulbs 'Giganteum'

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Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'
Allium Bulbs 'Giganteum'

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Allium Bulbs 'Giganteum'

Allium Giganteum

Huge round rich purple flowerheads float on tall stems above the borders in summer, attracting pollinators and creating a sensational display! Bold Allium giganteum makes a big impact both in the border and as a spectacular cut flower.

Marshalls Garden

1 x Bulb

21010026

Currently Out of Stock

£5.99

Save £3 with this value bundle offer

3 x Bulbs

21010027

Currently Out of Stock

£14.97

Was £17.97

Save £3 with this value bundle offer

Save £3 with this value bundle offer. By purchasing these items together, you get the same great quality at a lower price than buying individually. It’s an easy way to get everything you need, while keeping costs down. Great value without compromising on quality.

3-5 Working Days Delivery from £6.99*| Learn More

3-5 Working Days Delivery from £6.99*

Plants £6.99 - All our plants are dispatched directly from our nursery. Plants showing as 'In Stock' on the individual product page will be dispatched next day by our expert nursery team (Sunday to Friday).

We avoid sending plants in the post over the weekend to ensure they arrive with you in the freshest condition.

For 'Pre-Orders' please refer to the estimated delivery date on each product page. Further details can be found in the table below of when we send different plant orders out.

Key Features

Marshalls Garden

Pollinator Friendly

Marshalls Garden

Great As Cut Flowers

Marshalls Garden

Fast Growing

Product Information

Eventual Height:

1.3m

Position:

Full Sun

Suitable for:

Small Gardens, Borders, Cottage Garden, Cut Flower Garden, Wildlife Garden

Plant Type:

Perennial

Soil Type:

Good, well draining garden soil or if planting into a container a well drained compost.

Complete The Job

Growing Calendar

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Plant outdoors

Plant outdoors

Flowering

Flowering
  • Huge round purple flowerheads on tall stems
  • Flowerheads can measure up to 20cm across
  • Spectacular display in summer
  • Ideal for cutting

With huge round flowerheads floating on lofty stems, Allium ‘Giganteum’ towers over the rest of the border in early summer. The flowerheads, which can measure up to 20cm across, are packed with rich purple flowers that are a magnet for bees and other pollinators. This spectacular allium never fails to add colour and interest to summer borders, and the flowerheads carry on looking good for months even after the flowers have faded. They make superb cut flowers too, and the dried flowerheads are perfect for long-lasting dried flower arrangements. Plant them in drifts or dotted through a border for a stunning summer display!

Why Marshalls Garden

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Discover our wide range of gardening guides developed over 75 years, showcasing our commitment to gardening.


Contact us Mon – Fri and even on bank holidays (because gardening queries don't follow a calendar), to discuss our product range or chat about all things gardening.


When you order from us, expect promptness. 'In stock' plants and seeds are dispatched within two working days. And because we're as green as our thumbs, all our packaging is recyclable.


Our trustworthiness isn't just us talking. It's thousands of five-star reviews on Trustpilot and a 100% happiness guarantee on all our products. We're not just here to sell, we're here to sow trust.

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