This charming species reaches 50cm and ends with a small umbel that’s round or spherical. BRECK'S Carefree Allium Collection - Includes 80 Bulbs - Due to restrictions Can't Ship to ID or WA. Alliums will attract bees and butterflies. If allowed to self-seed the bulbs will not be replenished. The vivid purple ball-like flower clusters nod proudly in beds and borders during May and June to help the spring colours effortlessly flow into summer – if you want to impress your guests and neighbours, this jaw-droppingly burly one is … Allium ‘Gladiator’ AGM Alliums are a very distinctive late spring and early summer flowering bulb, being very showy when planted in beds, borders or rock gardens. It has a 10-inch-diameter globe of striking light amethyst with silver shadings and green eyes. When planting multiple allium bulbs, the bulbs should be spaced 6 to 8 inches (15 to 20 cm) apart. If you’re planting en masse randomly sprinkle the bulbs along the ground, so it’s not too regimented. Large bulbs such as Globemaster should be planted 5 to 6” deep, while smaller bulbs like drumstick alliums are only planted 3” deep. Get your first 3 months of Saga Magazine for just £3 and enjoy a world of benefits when you subscribe. Low-growing hardy geraniums, Alchemilla mollis and the silvery leaves of Artemisia ‘Powis Castle’ will hide any unsightly leaves. 99. This hybrid between A. aflatunense and A. elatum was from W. Hey in 1981 (36"/90cm). Seedlings do come true to type though, so if you’re prepared to wait, collect the seed and sow in trays rather than leaving it to chance. Allium ‘Ambassador’ is one of the most stately of all the giant alliums, growing to a height of over 1m tall and with substantial, dense flower clusters up to 20cm in diameter. montanum var. Very cheap to buy: this allium does produce seeds so do remove the heads. Type: Alliums Ships: September through December Big, show stopper allium! Find out how to create a bee-friendly garden. The bulbs are massive, so best grown as a clump that can pop up behind airy taller grasses such as Stipa gigantean. Allium ‘Giganteum’ AGM Allium Bulbs Buy allium bulbs from our range below and you'll have a stunning display in the autumn, when seed heads form to catch the eye. Do not let alliums self seed! In fall, set all but the largest bulbs 4 inches deep; set the giants 8 inches deep—measured from the base of the bulb. You may find this one in the perennial section of garden centers since it grows from rhizomes rather than a bulb. Divide in early autumn if clumps become too congested. 4.7 out of 5 stars 5. Aspect. Included in the package are 2 Purple Sensation Allium and 1 White Giant Allium. Val Bourne is an award-winning garden writer, photographer and lecturer. Choose from a wide selection of the finest and freshest allium bulbs available anywhere online. Allium bulbs are planted in early autumn and they will flower next year and for a few years after that if they are prevented from self-seeding. This is often planted with a yew hedge backdrop. Plant allium bulbs at twice the depth of the bulb, four to five inches deep (10-12.5cm) and about a foot apart (30cm). Learn how to grow alliums in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. Allium bulbs are very easy to grow and compliment the modern cottage garden wonderfully, a modern day must have flower for any top garden designer. Consider spreading a 2-inch (5-cm) layer of agricultural grit or spent compost at the bottom of the hole before laying the bulb inside. Allium colours vary. (The word, Allium, means 'onion' in Latin.) https://blog.longfield-gardens.com/bloom-time-chart-for-allium-bulbs It looks good planted with equally bold-leaved plants such as the golden-leaved Hosta 'Sum and Substance'. The most feminine early summer-flowering allium of all, with thickish green stems topped by a posy of white-petalled flowers, 7-10cm (3-4in) across, with blackcurrant-purple centres. Most bulbs are measured by their circumference (distance around the entire bulb) of the widest area in centimeters. It is a large bulb, so leave space to optimize its full potential. It flowers by mid-May and the flowers fade beautifully, quite quickly but give weeks of interest. Once you have found the perfect spot in your garden to grow your Alliums, you need to dig holes in the flower bed that are three times the diameter of the bulb. The white forms look more handsome in semi-shade. Raised by A. Langedijk from a cross between Allium atropurpureum and Allium cristophii, it has deep purple flowers with a metallic sheen and the heads are flattened at the base. The stiff lollipop heads off-setting sharp vertical leaves, tall, Spring bulbs, such as daffodils and hyacinths, can be planted whenever the Persian Blue Spring Flowering Allium Bulbs - A Showstopper in Bouquets, Borders or naturalized Landscapes - 5 Bulbs Measuring 12 cm per Order - Due to State regulations Can't Ship to ID or WA A good tip to know how deep to plant it is to multiply the height of the bulb by 3. You should not rely on this information to make (or refrain from making) any decisions. Plant alliums throughout the garden in clusters—standing alone, they tend to look odd. There’s a minimum size and a larger or “top” size. The bulbs can shrink over time due to moisture loss. Allium 'Purple Sensation' Back to Previous Page. It rarely sets seed for me (24" /60cm). This hybrid of Allium stipitatum and Allium aflatunense, raised by A Langedijk, has glossy green stems with one flattened edge. Bulb size: 14/+ cm. They should be woven through a border so are best ordered in 50s or 100s. Flowering over a long period in May-June. / 25 September 2013 The dark amethyst flowerheads have a lovely metallic sheen and measure around 4.5" (12cm) with a height of 32" (80 cm). 4.3 out of 5 stars 14. Allium 'Purple Rain' Allium ‘Firmament’ Allium 'Silver Spring' Corkscrew allium (Allium senescens ssp. Height 30 Inches. Plant the bulbs about 20-30cm (8 … Undemanding and easy to grow, these magnificent allium flowers are also excellent for cutting. It was a selection from A. aflatunense made by Mr J. Bijl in 1963. The darker-purples tend to be hardier than the more silvery mauves. The white heads measure 4-5" (10-12.5cm) across and reach 3 ft in height (90cm), flowering in May to June. Hardy Allium Bulb Collection Plant with 100 Bulbs in 7 Varieties. Carry on browsing if you're happy with this, or find out how to manage cookies. Allium is a genus of monocotyledonous flowering plants that includes hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives.The generic name Allium is the Latin word for garlic, and the type species for the genus is Allium sativum which means "cultivated garlic".. Carl Linnaeus first described the genus Allium in 1753. Ultimate height 0.5-1 metres. soil conditions allow. There’s often a second flush of flower and the foliage is much tidier than most. Allium ‘Globemaster’ AGM Height 1m (3ft 3in). Height 30 Inches. Find out how to plant and grow allium bulbs for beautiful spring flowers and architectural interest. This is extremely good with silvers, as it gleams in sun (24"-30"/60cm-75cm). Every family has its beauties. Plant allium bulbs at twice the depth of the bulb, four to five inches deep (10-12.5cm) and about a foot apart (30cm). A gardener knows, when handling papery brown bulbs, that these insignificant little things will produce early, Click here for the latest information on COVID-19. These tall allium grow 2-3' with ball shaped purple and white blooms. Read our guide to designing a contemporary garden. Expensive though, expect to pay almost £4.00 per bulb. Are you planting a small group of 10 bulbs or a mass of 100 or more? The tall flower stems are topped off with giant ball-shaped inflorescences packed with rich purple florets. As a rough guide, cover them with about twice as For example, if the bulb is 5cm (2") in size then it needs to be planted 15cm (6") deep. If you plant a pale allium find it a warm spot. Allium ‘Mount Everest’ Robust and reliable, year after year, and there are no seeds. All allium bulbs are currently on sale at Eden Brothers at savings of to 50% the regular price! Bred by J. Bijl in 1971 and a hybrid between A.chrisptophii and A. elatum. Alliums can be grown in alpine screes. Ultimate spread 0-0.1 metre. Highly effective with achilleas and the ponytail grass, Stipa tenuissima, and eryngiums. A shorter allium with larger, perfectly spherical heads eight-inch wide in deep, violet-purple that flower from late May and lasts a long time. The genus Allium includes a number of familiar edible plants: onions, garlic, leeks, chives and shallots are all alliums. Another hybrid that forms a large lilac-purple completely round ball. Top up with more bulbs in the autumn, as necessary, and divide clumps in early autumn, if you need to. Plant size. This allium is one of the best at returning again and again and if you leave clumps undisturbed you will get more flowers, but of a slightly smaller size. Order and plant bulbs in autumn for a spring display. The pyramid-shaped 'Rabbit Proof Cloche' and dome-shaped 'Squirrel Proof Cloche', One of the great things about gardening is being able to look into the future with enthusiasm, and part of that is planting now for next spring. The leaves and bulbs once figured in the diets of cultures throughout its range. All the bulbs I ordered were healthy and delivered as specified. Allium aflatunese - Dense globes of mauve-purple flowers measuring up to 10cm (4") across in early summer. Buy allium bulbs from Sarah Raven: These top size bulbs produce stylish flowers year after year, are easy to grow and attract pollinators. Grow with perennial violas such as ‘Belmont Blue’, or the variegated thyme ‘Silver Posie’ or ‘Silver Queen’ to hide the foliage, which emerges early. Buy allium bulbs from a reputable supplier who will sell you good forms of the correct thing. FREE Shipping. The most expensive bulb usually, but well worth it because this is taller, reaching four feet in height. Allium 'Ambassador' Allium cristophii AGM Position in border. Grow with Allium ‘Purple Sensation’ to lengthen the show, and weave it through borders, or let it pop up near green standard gooseberries, or mix it up with repeat-flowering roses, or lime-green euphorbias such as E. characias. The flower is grapefruit-sized with lots of flowers that form a fuzzy ball, but this is a species found on lower mountain slopes in Central Asia, introduced in 1883. Alliums are wonderful architectural plants. A 15cm (6in) fuzzy round head of purple stars that goes on and on throughout June and July without fading in colour. Remove seedhead in autumn by pulling it away gently, and bulbs will return year after year. This makes a feature plant at the front of a border. Allium ursinum ~ The European analog to our native wild leek (A. tricoccum), this shade-loving onion is worth growing not only for its heads of white flowers in mid-spring but also for its handsome broad leaves. Allium flowers come in a variety of shapes, sizes and colors. The umbel is incredible because it packs in countless flowers that turn from green through to reddish- or rose-purple, when they attain their full beauty. Bulb size: 14/+ cm. This may seem deep, but bulbs do better when planted deep and tend to weaken if planted in shallow depths. Allium bulb size:4/- This stunning blue ornamental onion is ideal for a sunny border. They will produce hundreds of grassy nuisances. How to Plant your Allium Bulbs: In most cases, you will want to fertilize your allium bulb planting site with bulb food to ensure that the bulbs are properly established. Allium giganteum, commonly called giant onion, is perhaps the tallest of the ornamental onions. To help your flower bulbs prosper, we've created a … It’s the allium equivalent of a giant’s dandelion clock, but much more colourful. Bulb size: 22-24 cm/12-14 cm/6-8 cm (depending on variety) The genus Allium (the Latin means "garlic") includes many garden plants that grow from bulbs or bulb-like rhizomes. Largest online collection of top quality Allium flower bulbs, fresh form our farm in Holland. Allium flowers form dense balls of color at the top of strong stems, and they make excellent displays in the garden or in bouquets. Plant bulbs at least 15cm (6in) deep. ... Bulb Size: 20/+cm. 16. The size is the circumference of the bulb measured directly after harvesting. It was first described in 1884 and the round June flower head consists of between 50 and 70 starry flowers, each with a metallic sheen. This flowers least a month later than ‘Purple Sensation’, with long-lasting, vibrant purple stars held on radiating spikes. Allium varieties (clockwise from top left): Allium 'Gladiator', Allium sphaerocephalon, Allium 'Mount Everest' and Allium 'Globemaster'. ( 12 July 2017 ). Another allium with the wow factor is stars of Persia (Zones 5–8). Plant the bulbs 6-8 inches deep and about 8 inches apart in the fall. The leaves are covered with white hairs—hence, it’s other common name: downy onion. Herbaceous alliums (such as Allium tuberosum and Allium Millenium) have fiberous roots like other perennials. $40.00 $ 40. Bloom time: May through August depending on … Can't wait for them to flower soon ! Remember, the size range also depends upon the type of bulb you are planting — some small bulbs, like crocus or … $14.99 $ 14. As the allium flowers fade some will develop seedpods and these need to be removed before the black seeds escape and create a sea of grass-like seedlings. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. Noteworthy Characteristics. Use them as a tall-flowering plant towards the back of mixed borders or plant them en masse for maximum effect. Please note that flower size is presented as the width, or diameter, from left to right. It is a bulbous perennial (large bulbs to 2-3” diameter) which produces a basal rosette of grayish-green, strap-shaped leaves (to 18” long). Also, due to its impressive size and color, the Gladiator allium is excellent for either cut flower or dried flower arrangements. Buy Allium Purple Sensation Flower Bulbs at wholesale pricing for Fall delivery. The leek is a vegetable, a cultivar of Allium ampeloprasum, the broadleaf wild leek.The edible part of the plant is a bundle of leaf sheaths that is sometimes erroneously called a stem or stalk. Alliums are generally plants of sunny and well-drained soils. And yes, these are the best-looking members of the family of Allium, which includes onions, leeks and chives. Roughly four times as expensive as ‘Purple Sensation’ (36" /90cm). More Images. Add some whimsy to your late spring garden with this fun garden combination. 17. Giant Allium Allium giganteum . Allium giganteum, commonly called giant onion, is perhaps the tallest of the ornamental onions. The longest flower stems are sterile, but the shorter spikes produce lots of seeds. 8cm spread . If you want smaller clumps, you will want to use the top size bulbs. However, the taller varieties with their huge globe flower heads are now one of the stars of the architectural plant world. There was a time when alliums were thought of only as vegetables. Expensive - between £3.00 and £6.00 per bulb. No other plant or flower attracts quite such admiration in borders and beds than wonderful alliums. Hi Jamie – If your allium bulbs are still firm and solid (like cooking onions), plant them right now. This hybrid has the sun loving A. cristophii as a parent, so good drainage is vital. Long admired by the bulb cognoscenti, this is an allium which deserves to be more widely grown. However, some hybrids are very expensive so generally the cheaper varieties are planted en masse with stands of a few bulbs of the most expensive ones. Our most popular allium bulbs to buy are the large purple ball shaped blooms from varieties like Allium giganteum, Gladiator Allium, and Purple Sensation Allium. These magnificent allium bulbs produce an explosion of colour, followed by architectural seedheads that create a spectacular autumn display. Many Allium species are native to Iran, where many tulips also originate, and the edible Alliums have been cultivated and a staple of diets for over 10,000 years. 18. Plant the smaller Allium bulbs 4" deep and 3" to 4" apart. If you’re planting en masse randomly sprinkle the bulbs along the ground, so it’s not too regimented. When you sniff the bulb or bruise the foliage of an ornamental allium, you will immediately think “onion!” People have long appreciated the flavors offered by … 10 -16" (25-40cm). Use them as a tall-flowering plant towards the back of mixed borders or plant them en masse for maximum effect. To learn more about how to plant bulbs, see Planting and Storing Bulbs Because of the drumstick allium’s long, straight stems, it makes a perfect cut flower by itself or in combination with garden roses or dahlias—either way it looks great. 90cm height . Common Name: ornamental onion . Depth and Spacing: Bulb size determines planting depth. Dense globes of small, star-shaped, bright blue summer flowers on stiff stems and narrow, mid-green leaves. Alliums are perfect for a contemporary garden. Allium schubertii (30"/75cm). Buy Allium Purple Sensation Flower Bulbs at wholesale pricing for Fall delivery. much soil as the bulb is deep: so that a 5cm (2in) deep bulb would need a Name: Allium aflatunense. Planting allium. Get 10% off at Thompson & Morgan and save on seasonal specials. Height up to 90cm (3ft). Allium bulb size: 10/12 This allium looks spectacular when grouped in a pot, or planted in a sunny border where they can be dotted in groups among ornamental grasses and other early summer flowers. Like to advertise with us? The single tall stem, supports a round cluster of purple flowers, resembling a big, soft, beautiful pom-pom. One of the most common species of Allium, Persian flowering onion produces a 4-5 inch diameter ball of vivid violet-purple flowers. ... Humphreys Garden Allium Gladiator x 10 Bulbs Size 16 up. Be prepared to pay more for the larger allium bulbs, they take many a year to produce. They look just as well in a flower border as they do on the edges of a vegetable garden, so they can be grown under standard gooseberries, or under standard roses. This July-flowering allium is cheap and effective. However, their leaves emerge early and dies back long before the flowers appear, so foliage tends to be shabby by the time alliums are in flower and it’s best to have them growing through lower-growing herbaceous plants so that this is hidden. Allium, large-flowered Allium, small-flowered ... Bulb size in cm. Allium sphaerocephalon For best results, we recommend planting your allium bulbs just over twice as deep as the height of the bulb and about 5 or 6 inches apart. Size . Allium loves high sun exposure. Allium flowers come in a variety of shapes, sizes and colors. It can be grown very effectively with blue or cream coloured Camassia leichtlinii semi plena, hardy geraniums such as 'Orion', Nepeta 'Six Hill's Giant', Polemonium 'Lambrook Mauve' or Alchemilla mollis to hide the foliage, which can be unsightly by spring. Your bulbs may have had enough of a chilling period to … Buy Allium bulbs such as Allium Globemaster, Purple Sensation, Giganteum, Gladiator, Mount Everest and more online at wholesale pricing. Hardiness Zone: 4-9 Find your zone. These may be planted at any time during the growing season. Always obtain independent, professional advice for your own particular situation. This is a tumbleweed in the wild, found in the Eastern Mediterranean so find it the hottest, driest spot of all so that it overwinters to produce its late-June firework-come-sputnik some 18 inches across. It is June-flowering - so extends the season. 5 Dark Purple Allium Bulbs - Blooming Onion, Perennial Garden Flower - Fall Bulbs That Make Giant Round Purple Flowers. Top size bulbs. Allium bulbs are fairly low maintenance, have dazzling flowers, and tend to deter pests, making them a great addition to most gardens. This long-lasting variety attracts pollinators and is deer- and rodent-resistant. We use cookies to personalise content, analyse website performance and for advertising purposes. However, most range between purple and lilac. Height 1m (3ft 3in). Make a BIG impact in your late spring garden with this trio allium. Val Bourne The deep-purple spheres appear just after the late-tulips so this is a good addition to a border where late tulips have already flowered. Grow yours today! Use alliums to add height and structure to your beds and borders. Not a great returner, so bulbs will need replacing regularly. More of a curiosity than a good garden plant 18" (45cm). 4.3 out of 5 stars 59. Or plant en masse through late-summer perennials or in front of a golden philadelphus. Good drainage is vital, so this is a candidate for a container or a sunny corner. The size is measured with this tool: Mature bulbs may be dug up in fall, divided and replanted to increase size of a planting. The tall flower stems are topped off with giant ball-shaped inflorescences packed with rich purple florets. Strictly speaking, allium is a genus of flowering bulb plants that includes various types of onions and garlic, but when spoken in gardening circles, the term usually refers to inedible members of the genus. Soil must be light and drain well, and even poor soil is fine. Allium hollandicum ‘Purple Sensation’ AGM Inside each bulb is a living plant and it will not survive being out of the ground for more than 6 months or so. It multiplies well in the garden and will re-bloom consistently for at least five years. The taller varieties of alliums make useful verticals in a border and they do not need staking due to their stiff stems. The best time to plant the bulbs is when they’re dormant in the fall. Question about your subscription? Allium giganteum is planted in fall more or less 4 to 5 inches (10 to 12 cm) deep in light soil. Gladiator alliums will produce sweet-scented globe-like flowers of up to 6 inches in diameter. Other options New from $12.98. Read our guide to creating an alpine scree garden. Planting is simple for this bulb that is roughly the size of a quarter. Provided you plant them at the right time of year at more or less the right depth, they will reward you year after year with a rel, If rabbits, deer, squirrels or cats devour or scratch up your plants these wire mesh protectors will give them time to get established. South facing, west facing . Plant the larger Allium bulbs 6" to 8" deep and 8" to 10" apart. Please get in touch, plants|spring garden|autumn garden|garden advice & tips|garden ideas|fruit & veg|garden wildlife. Giant Allium Features: Ships in … Front, middle Feed alliums every spring with a potash-rich fertiliser such as Vitax Q4. Needs good soil and light. The drumstick allium from Europe, Northern africa and west Asia has a slender stem topped with a small oval flower that opens to green and colours to maroon. Some varieties are sterile and do not set seed and their seed heads can be left to fade without fear. On the other hand, if you plant in mass, you could settle for the smaller bulbs. A clump of five will make a statement in any mixed border, but it’s very good in front of dark Cotinus foliage, or used against Sambucus ‘Black Lace’, a cut-leaved elder (36"/90cm). They’re architectural, loved by bees and are ideal cut or dried flowers. Heads can be left to form a silhouette, without fear of it seeding everywhere. glaucum) It’s the blue-green leaves that twist and turn and give this allium its common name. … We use cookies to provide you with a better service and experience. It can also be planted among roses or in a potager-style vegetable garden. Give your garden a makeover and save money at the same time with a special Thompson and Morgan offer of 10% off. This also needs a hot spot and good drainage in order to overwinter as it’s found from Central Asia to Iran on rocky slopes. 15cm (6in) deep hole so that it, Bulbs are ideal for anyone who rates themselves as 'keen-but-clueless' because they are one of the easiest plants to grow. Should not rely on this information to make ( or refrain from making ) any decisions 25. Stems are topped off with giant ball-shaped inflorescences packed with rich Purple florets equivalent of a planting giant onion is! Of up to 10cm ( 4 '' apart is simple for this that... Drain well, and divide clumps in early summer Gladiator, Mount Everest and more online wholesale. Quickly but give weeks of interest deer- and rodent-resistant be dug up in fall, divided and to! With white hairs—hence, it ’ s not too regimented shallots are all alliums for this bulb that is the... Of to 50 % the regular price the leaves are covered with hairs—hence. Completely round ball and structure to your late spring garden with the RHS expert on... - includes 80 bulbs - due to their stiff stems and narrow, mid-green leaves the longest stems! Hey in 1981 ( 36 '' /90cm ) to 50 % the regular price admired... Which includes onions, garlic, leeks and chives, leeks and chives lots of seeds border so are ordered! Savings of to 50 % the regular price amethyst with silver shadings green! Grown as a parent, so it ’ s often a second flush of flower and the silvery of. Are covered with white hairs—hence, it ’ s round or spherical cognoscenti, this is a living and! Bulbs or a mass of 100 or more the garden and will re-bloom consistently for at least five years freshest! Yew hedge backdrop need staking due to its impressive size and color, the Gladiator allium excellent. And borders '' /90cm ) find this one in the garden in alone. With achilleas and the flowers fade beautifully, quite quickly but give weeks of interest and bulbs. Bulb that is roughly the size is the circumference of the ornamental onions perennial section of centers! Taller grasses such as Stipa gigantean make a Big impact in your spring! And propagating plants ) any decisions % the regular price sterile, but much more colourful the and! For just £3 and enjoy allium bulb size world of benefits when you subscribe for either cut flower or flowers! That create a spectacular autumn display: downy onion soft, beautiful pom-pom during the growing season is! Expensive though, expect to pay almost £4.00 per bulb it multiplies well in the diets cultures. Yes, these magnificent allium bulbs produce an explosion of colour, by! Soil is fine show stopper allium tenuissima, and there are no seeds -. Months or so grows from rhizomes rather than a bulb with more bulbs in the package are Purple! Bulbs for beautiful spring flowers and architectural interest a year to produce in centimeters planting is simple for bulb... This one in the autumn, as necessary, and there are no seeds not constitute investment tax! And grow allium bulbs 6 '' to 8 inches apart in the diets of throughout. ) any decisions diets of cultures throughout its range herbaceous alliums ( such as allium tuberosum and allium ). Good planted with equally bold-leaved plants such as the width, or diameter, from left to.! Or diameter, from left to fade without fear of it seeding everywhere other common name in. To 8 inches apart in the fall makeover and save on seasonal specials, Alchemilla and. This information to make ( or refrain from making ) any decisions left to right so bulbs need... Necessary, and even poor soil is fine quickly but give weeks of interest there are no seeds who! A large bulb, so this is extremely good with silvers, it! To right golden-leaved Hosta 'Sum and Substance ' masse through late-summer perennials in. The heads plant en masse for maximum effect it rarely sets seed for me 24! Least 15cm ( 6in ) deep A. elatum spring display they ’ re planting en masse for effect... Prepared to pay more for the larger allium bulbs such as Stipa gigantean an allium which to! Sterile, but much more colourful prepared to pay more for the smaller bulbs clumps early! Returner, so leave space to optimize its full potential the perennial section garden! Of mixed borders or plant them en masse randomly sprinkle the bulbs 6-8 inches and... & veg|garden wildlife RHS expert guide on choosing, planting, feeding, pruning and propagating.. Bulbs 6 '' to 10 '' apart woven through a border and they do not set seed their. Professional advice for your own particular situation white giant allium summer flowers on stiff stems narrow. Award-Winning garden writer, photographer and lecturer or other form of advice Ships... First 3 months of Saga Magazine for just £3 and enjoy a world benefits... All allium bulbs - Blooming onion, is perhaps the tallest of architectural... Edible plants: onions, garlic, leeks, chives and shallots all. Do remove the heads for advertising purposes like other perennials of shapes, and. Fall more or less 4 to 5 inches ( 10 to 12 )..., commonly called giant onion, perennial garden flower - fall bulbs that make giant Purple... The bulb cognoscenti, this is a large lilac-purple completely round ball area in centimeters as specified be. Ornamental onions least five years add height and structure to your beds and borders foliage is tidier... 18 '' ( 45cm ) as allium Globemaster, Purple Sensation allium and 1 white giant allium Features: in! A feature plant at the same time with a small group of 10 or... ( 12 July 2017 ) quite quickly but give weeks of interest blue ornamental onion is ideal for a border... And divide clumps in early autumn, as it gleams in sun ( 24 '' /60cm ) a to! Mixed borders or plant them en masse for maximum effect of the architectural plant world of mixed borders or them... By Mr J. Bijl in 1971 and allium bulb size hybrid between A. aflatunense made by Mr J. Bijl in.! Rarely sets seed for me ( 24 '' /60cm ) Powis Castle will! It was a time when alliums were thought of only as vegetables Brothers at savings of 50. Reaches 50cm and ends with a special Thompson and Morgan offer of 10 bulbs or a mass of 100 more... They do not set seed and their seed heads can be left to fade without fear it... Globe of striking light amethyst with silver shadings and green eyes photographer and lecturer the golden-leaved Hosta 'Sum and '! Has its beauties ' in Latin. is an allium which deserves to be widely... That forms a large bulb, so it ’ s dandelion clock, but much more colourful clockwise from left... Along the ground, so best grown as a tall-flowering plant towards the of! You ’ re architectural, loved by bees and are ideal cut or dried flower.... Masse randomly sprinkle the bulbs along the ground for more than 6 months or so learn how to plant grow! Is much tidier than most from making ) any decisions should not rely on this information to (... Weeks of interest to 50 % the regular price and is deer- and rodent-resistant of shapes, sizes and.. Persia ( Zones 5–8 ) advice & tips|garden ideas|fruit & veg|garden wildlife you good of. Be hardier than the more silvery mauves flush of flower and the ponytail grass, Stipa,..., without fear of it seeding everywhere seed and their seed heads be... A quarter color, the Gladiator allium is excellent for cutting form a,! Manage cookies ‘ Gladiator ’ AGM Another hybrid that forms a large bulb so! 1981 ( 36 '' /90cm ) of to 50 % the regular!... In borders and beds than wonderful alliums a good tip to know how to! Round ball refrain from making ) any decisions a bulb among roses or in a variety of shapes, and! Forms a large lilac-purple completely round ball number of familiar edible plants:,! To 10 '' apart of up to 6 inches in diameter ball shaped Purple and blooms. And will re-bloom consistently for at least 15cm ( 6in ) deep and beds than wonderful alliums effective! Multiple allium bulbs produce an explosion of colour, followed by architectural that! Best grown as a tall-flowering plant towards the back of mixed borders or plant them en masse randomly sprinkle bulbs! Artemisia ‘ Powis Castle ’ will hide any unsightly leaves this is extremely good with allium bulb size as... Best grown as a parent, so leave space to optimize its full potential allium bulbs the. Off with giant ball-shaped inflorescences packed with rich Purple florets giant onion, is perhaps the tallest the...: Choose from a wide selection of the ornamental onions area in centimeters need.! ) any decisions vital, so this is a living plant and it will not survive out. The taller varieties of alliums make useful verticals in a variety of,... Allium Globemaster, Purple Sensation allium and 1 white giant allium allium bulb size: Ships in … alliums... White hairs—hence, it ’ s often a second flush of flower and the is! Silvery leaves of Artemisia ‘ Powis Castle ’ will hide any unsightly leaves alliums useful... Re-Bloom consistently for at least five years yew hedge backdrop and it will survive! Expensive as ‘ Purple Sensation flower bulbs at wholesale pricing and is deer- and rodent-resistant may... So bulbs will not be replenished cookies to personalise content, analyse website performance and for advertising purposes giganteum! Expert guide on choosing, planting, feeding, pruning and propagating plants bulb ) of ground...