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Allium 'Globemaster'

Ornamental Onion

Hardy Bulb

What is Hardy Bulb?

FROM £5.99

94% (3 Reviews)

RHS Award of Garden Merit for its outstanding performance

Magnificent architectural presence in sunny borders

Ball-shaped purple flower heads

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Description How to Grow More Info Delivery Reviews Video
The large, ball-shaped purple flower heads, of Allium 'Globemaster' have a magnificent architectural presence in sunny borders. This well-known, magnificent variety holds an RHS Award of Garden Merit for its outstanding performance. Plant them in large groups for a bold impact. Also excellent as a cut flower for an outstanding displays indoors! Height: 80cm (31"). Spread: 20cm (8").

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How to plant bulbs, corms and tubers

Height Up to 80cm (32in)
Spread Up to 20cm (8in)

Hardy Bulb

cut flower gardenlow maintenance gardenwildlife gardenscottage gardens

full sun

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Flowering Months


1 allium bulb (45515)
2 allium bulbs (KB6653)
4 allium bulbs (KB6654)

Caution: irritant to skin and eyes, harmful if eaten. Allium bulbs should be planted in autumn, with the pointed end facing upwards, at a depth of approximately 3 times their height. Choose a sunny position in free draining soil.
Alliums thrive in dry sunny conditions so feeding and watering should not be necessary except on the driest of soils. Alliums will not repeat flower in the same year. Their faded spherical flower heads can be removed after flowering if necessary; however they will make a wonderful architectural display in the autumn if left intact.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £4.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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