3 bare roots 511162-3 £10.50 Delivery late October
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When in stock, please allow up to 2 weeks for delivery.
6 bare roots 511162-6 £19.95 Delivery late October
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When in stock, please allow up to 2 weeks for delivery.
More Details

This rhizomatous, clump-forming perennial flowers later than most alliums, to give a spectacular fireworks display.

It has strong stems, is good for cutting and is hugely floriferous. It will be covered in bees and butterflies.

This can be gift wrapped in our exclusive hessian sack, with ribbon and a Sarah Raven gift card. You will be able to add this to your basket once you begin the checkout process. To add a gift message to your order, simply fill out the details at the delivery stage of the checkout.

Please note: only items which are showing ‘in stock’ can be gift wrapped.

Genus Allium
Variety Millennium
Type Hardy Perennial
Common Name Ornamental Millennium Onion
Border Position Container, Front, Middle
Bulb Size I
Soil Type Alkaline, Chalky, Fertile, Neutral, Sandy
Scent Unscented
Site Full Sun
Moisture Moist but Well-drained
Height 40cm (16in)
Spacing 45cm (18in)
Sowing, Seeds, Planting Sprinkle mycorrhizal fungi (Rootgrow) into the base of the planting hole and water well after planting
Care Tips Leave foliage to die back and fertilise in Autumn. Potted Alliums can be kept in the pots and allowed to flower for their first season. Either sink the pots directly into the border or place into a larger container. Once they have finished flowering, feed with comfrey tonic and leave them to die back naturally in the pots, this will help bulk up the bulbs for next year. When the bulbs have completely died back, lift them and plant out into their permanent garden position. Alternatively you can plant out the pot grown Alliums from February to May before they flower. A root system will have established, so take care when transplanting into position and be sure the planting depth matches that of the pot.
Flowering June - July
Harvesting Flower production: 2 months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice
How to plant and grow allium bulbs

Sarah's top tips on how to plant and grow allium bulbs for fantastic flowers in the garden or vase.

Delivery

Plant Delivery - When in stock, please allow up to 2 weeks for delivery.

Click here to find out more information about our delivery rates and times.

Allium 'Millennium' reviews

* * * * * Average based on 2 reviews

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Reviewed 21st November 2018 by Sue

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Reviewed 19th September 2018 by Rebecca

I have always been very impressed with the quality of plants/bulbs and customer service. However i was disappointed with the Allium as they didnt flower at all this year, i put it down to the hot weather but wait and see