Allium 'Giganteum' (Giant ornamental onion)

Allium 'Giganteum'
(Giant Ornamental Onion)

Allium Giganteum boasts gorgeous, deep purple, globe-like flowerheads. Their striking attributes look amazing when planted in pots or borders. Find out more

You may find that trying to get flowers that grow quite tall is rather difficult- but not with the Allium Giganteum bulbs. With its gorgeous colours and stunning flower shape, it will surely amaze you.

Giant Ornamental Onion flower bulbs can reach an ultimate height and spread of 1-1.5m x 0.1-0.5m.

It is best to plant Allium Giganteum from the middle-end of Autumn. Stick to placing in a sunny or partially shaded aspect.

  • Growth rate: Average
  • Ideal height: 1.5m Medium
  • Soil type: Any well-drained soil
  • Aspect: Full sun, semi-shade
  • Flowering months: May/June
You should plant Allium Giganteum 2-3 times as deep as the bulb- spacing twice the bulb diameter, and pointed end facing upwards.
From £3.96
This product has a minimum order quantity of 1
Allium Giganteum boasts gorgeous, deep purple, globe-like flowerheads. Their striking attributes look amazing when planted in pots or borders. Find out more

You may find that trying to get flowers that grow quite tall is rather difficult- but not with the Allium Giganteum bulbs. With its gorgeous colours and stunning flower shape, it will surely amaze you.

Giant Ornamental Onion flower bulbs can reach an ultimate height and spread of 1-1.5m x 0.1-0.5m.

It is best to plant Allium Giganteum from the middle-end of Autumn. Stick to placing in a sunny or partially shaded aspect.

  • Growth rate: Average
  • Ideal height: 1.5m Medium
  • Soil type: Any well-drained soil
  • Aspect: Full sun, semi-shade
  • Flowering months: May/June
You should plant Allium Giganteum 2-3 times as deep as the bulb- spacing twice the bulb diameter, and pointed end facing upwards.

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