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Allium 'Millenium'Ornamental Onion
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.
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.
T&M's Perennial of the Year
Produces rounded heads of light purple, star-shaped flowers
At its finest when planted in generous groups in sunny borders
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Fulfilled and sold by Thompson & Morgan
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Height Up to 60cm (24in)
Spread Up to 10cm (4in)
Hardy Bulb
cottage gardenswildlife gardenslow maintenance gardencut flower garden
full sun
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Flowering Months
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Description
How to Grow
Reviews
Video
Allium 'Millenium' is one of the best recent introductions of Ornamental Onions - so good we crowned it our Perennial of the Year! This neat little Allium produces rounded heads of light purple, star-shaped flowers atop stiffly, upright stems. The slender, grassy foliage forms a dense clump that covers the base of the flower stems nicely. Allium ‘Millenium’ is at its finest when planted in generous groups in sunny borders. Height: 60cm (24"). Spread: 10cm (4").
3 allium bare root plants (TKA0093P)
1 allium bare root plant (KA0092)
1 x 2 litre potted allium plant (KB4114)
Alliums thrive in light sandy, well drained soil in full sun. Avoid planting in cold wet soils as they are prone to rot in these conditions. Plant alliums 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.
More Info 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.
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 £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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