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Special Offers

16 tulip bulbs £2.99 with any order

48 allium bulbs £3.99 with any order

100 bulbs for £3.49 with orders over £30

Allium sphaerocephalonOrnamental Onion, Round headed Garlic

2 Options from £1.00

Hardy Bulb
What is Hardy Bulb?
Plant that grows from an underground storage organ.
Generally supplied in a dormant condition with no top growth.
Capable of withstanding outdoor winter temperatures down to -15C.
2 Reviews

Perfect for group plantings

Associate beautifully with grasses

Ideal for gravel gardens and sunny borders

100 allium bulbsSave £0.99 £7.98 £6.99 Out of Stock
200 allium bulbsSave £5.97 £15.96 £9.99 Out of Stock
Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery Reviews
An understated allium with unusual oval-shaped, purple-green flower heads perched atop tall, slender stems. Like all Alliums, this bulb is easy to grow on well-drained soil, and will virtually take care of itself. Allium sphaerocephalon must be planted in bold groups to appreciate it at its best. Grow them in dense clumps among other perennials – they associate particularly well with swaying grasses. A great choice for sunny borders and gravel gardens. Height: 90cm (36"). Spread: 8cm (3").

Cottage Gardens, Wildlife Gardens, Low Maintenance Garden, Cut Flower Garden

Hardy

full sun

Up to 90cm (35in)

Up to 10cm (4in)

easy

easy

100 allium bulbs (TKA8450)
200 allium bulbs (TKA8464)

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JULAUG
Flowering Months
Alliums require little maintenance. Leave stems of faded allium flowers intact to enjoy their spectacular seedheads in autumn. Divide overcrowded clumps of alliums after flowering. Caution: irritant to skin and eyes.
Alliums thrive in light sandy, well drained soil in full sun. Avoid planting in cold wet soils as the bulbs are prone to rot in these conditions. Plant allium bulbs at a depth of 10cm (4") and a distance of 10cm (4") apart. A slow release fertilizer can be added to poor soils at the time of planting to improve fertility. When growing alliums, plant them where the leaves of other plants will cover the base of their stems. This will hide the old foliage which dies back before flowering begins.

Delivery

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 £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 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.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.

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