A deliciously dark Allium with large, flattened globes of merlot-red topping tall, strong stems.  Allium ‘Atropurpureum’ flowers during June, studding garden beds and borders with clusters of majestic, jewel-like blooms.

This Chelsea show winner is adored by bees and hoverflies and is invaluable for adding structure, colour and drama to the garden.  Plant the bulbs through swishy grasses to create a simple, textured and contemporary look which will look brilliant for months, even as the blooms fade, bringing architectural interest during autumn and winter.

Atropurpureum looks stunning against lofty umbellifers such as Cow parsley and Anthriscus ‘Ravenswing’, a lower storey of frilled Alchemilla mollis or Heuchera which will help to hide any fading foliage.

An unusual blue Allium, ‘Caeruleum’ bears compact heads of deep flax-blue flowers during June and July.  A fine cultivar to enliven any modern planting scheme or traditional garden with bold structure and striking colour.

Plant Alliums in swathes or large groupings for a natural look and maximum impact.  In full sun and on well-drained soil, the bulbs will happily multiply, providing an enhanced display year on year.

The blooms are attractive to summer pollinators and are useful for extending the season of interest as a late-flowering variety of the Allium family.

Charming Allium ‘Carolinianum Rosy Dream’ produces fluffy heads of soft lilac-pink flowers which add a feeling of summer romance to the garden with their gentle, yet structural floating flowers.

The fuzzy globes top smooth, straight stems up to 40cm tall and look wonderful scattered through the front to mid border, rising up through grasses and mixed perennial planting. 

Attractive to pollinators, this graceful, ornamental member of the onion family is most impactful when grown in clumps, or ribbons of pink in beds and large containers.

Thrives in full sun and well-drained, fertile soil.

An unusual, illuminating Allium - ‘Chloranthum Yellow Fantasy’ produces vivid umbels of lemon and lime flowers which sparkle near the front of the border. 

Tiny bell-shaped flowers both point and hang from the tips of strong, smooth stems like intricate gems, adding a charming and slightly tousled look for laid-back planting.  Excellent in contemporary designs, gravel gardens and traditional mixed borders.

The bulbs may also be grown in large pots and containers providing they have good drainage and fertile, sandy soil.

Flowers during May and June, filling the ‘gap’ left from spring blooms.  A wonderful and interesting crossover plant leading into summer.

Known as the ‘Star of Persia’, Allium ‘Christophii’ is an ever-popular, majestic Allium which flowers freely and without fail every June.

Large globes of star-shaped, amethyst flowers top strong and sturdy stems, making them wonderful for cutting and adding to arrangements as a fresh flower or dried seedhead.

A wonderful plant for bringing structure, shape and impactful colour to summer borders, Allium ‘Christophii’ has been granted a prestigious Award of Garden Merit by the RHS for its prize-winning qualities and looks. 

Group the bulbs together, perhaps with other varieties for varied texture and height, in the border for a harmonious and eye-catching, early summer display.

Fast becoming a florist favourite, Allium ‘Cowanii’ produces loose umbels of delicate white, star shaped blooms in May.  The flowers also smell sweet, rather than oniony, as you might otherwise expect from a member of the Allium family.

Sometimes known as Allium Neapolitanum, this charming cultivar is easy to grow and looks best in snowy drifts, weaving through the front of a border where it will take your garden seamlessly from spring, into summer.

The bulbs of Allium ’Cowanii’ may also be grown in pots of fertile, very well-drained soil. 

A space in full sun is best reserved for this pollinator-friendly spring gem.

Dark amethyst stars are produced in dense clusters, forming eye-catching spheres of purple on Allium ‘Firmament’.

A cross between Allium Atropurpureum and Christophii, this striking cultivar boasts the best qualities of both varieties, with tall, strong stems and densely packed, richly coloured flowers.

A brilliant choice for sunny summer borders and for cutting and arranging.  ‘Firmament’ looks fabulous in a prairie planting scheme, studding hazy drifts of perennial grasses with pops of purple.

Plant the bulbs in clusters or ribbons for a natural look and for the best impact.  Well-drained soil and full sun are essential for this excellent Allium to thrive.

Mediterraneum Allium ‘Flavum’ is an unusual and prize-winning cultivar, producing loose umbels of delicate, lemon-yellow bells during the summer months.

A wonderfully distinctive variety which is perfect for adding pops of colour and interest to borders and large containers with its sparkler-like, zesty blooms.

Thrives in full sun in any soil which is well-drained.  Plants die back over the winter months, ready to emerge again in late spring.

Rare beauty Allium ‘Flavum’ has been granted an Award of Garden Merit from the RHS for its charming looks and perennial qualities.

Show-stopping Allium ‘Giganteum’ forms impressively large heads of violet flowers which bloom during June.  This wonderful variety adds instant wow-factor when the blooms burst forth on ramrod straight stems, over a metre tall in the border.

The bulbs are excellent for naturalising in a sweeping mixed border, particularly effective when punctuating the zesty green foliage of Hostas, Euphorbia, Ferns and grasses with their vivid purple full stops.

Alliums are a gardeners favourite for unrivalled drama, structure and colour in the garden which announces the beginning of summer.  Adored by pollinators, the nectar-rich blooms can be left on stems to fade, adding winter texture and interest.

A brilliant and reliable Allium to enhance any early summer garden, ‘Gladiator’ bears large balls of opulent purple blooms during June on strong stems up to 1.5m tall.

A prestigious Award of Garden Merit has been granted to this strong cultivar for its fabulous garden qualities and show-stopping looks.  Towering in the border above most other plants, ‘Gladiator’ is a handsome, architectural bloom to bring structure and bold colour into the garden as spring merges into summer. 

Excellent as a cut flower, both as a vivid fresh bloom in large floral displays, and dried as a textural and striking seedhead in autumn and winter arrangements.

A stately Allium bearing enormous heads of aster-violet in June.  Allium ‘Globemaster’ enhances any early summer planting scheme in long-established, as well as modern gardens.

With stems reaching almost a metre in height, ‘Globemaster’ is best planted near the centre or back of a large, sweeping border where it will punctuate your perennial planting with huge mauve spheres.

A prestigious Award of Garden Merit has been given to this distinguished Allium by the RHS for excellent garden qualities, reliability and handsome looks. 

Excellent as a cut flower for large-scale floral displays and installations.  The seedheads can be hung to dry or left on the plants to bring garden interest in winter.

Dainty globes of sparkling white, star-like florets top slender stems on delightful Allium ‘Graceful’ during May and June, rising from a bed of grassy foliage.

The delicate flowers are extremely attractive to early summer pollinators and feature vivid purple stamens.

Plant the bulbs in large numbers for a wave of blushing-cream through your borders.  A spot in full sun or part shade is best and well-drained soil is essential for Alliums to thrive and multiply naturally.

Allium ‘Graceful’ makes a charming cut flower, useful for adding shape and structure to bouquets and arrangements, just as it does in the garden.

An unusual, low-growing Allium, ‘Karataviense’ adds bold structure and texture at the forefront of garden borders and is great for container planting.

Large globular heads of muted creamy-lavender flowers nestle amongst fleshy, flat and glaucous leaves with red margins.  Foliage remains on the plants for most of the year, providing a long season of interest.

Stout and sturdy, purple-grey stems rise to just 20cm tall, making this heirloom Allium ideal for pots, rockeries, and gravel gardens.  Best planted near the edge of a border or container where they can’t be missed.

A fabulous, late-flowering Allium, ‘Miami’ produces striking blooms in deep, rich purple throughout July - perfect for extending the joyous ornamental Allium season.

The unusual flowerheads form an umbellifer shape, as opposed to the regular Allium ‘globes’ more often seen in early summer gardens.

Popular for cutting, thanks to its eye-catching looks and long-lasting quality, this eye-catching Allium produces long stems up to 80cm tall.

Plant the bubs towards the centre or back of a large border, in clusters for best effect.  For a harmonious look, plant next to Allium ‘Angulosum’ and purple-toned summer perennials such as Salvias, Perovskia and Lavender.

Producing not one, but two flower stems per bulb, Allium ‘Moly Jeannine’ is a petite, yet impactful summer Allium in sunshine yellow.

Dainty, star-shaped flowers top wiry stems in clusters and are adored by bees and hoverflies.  Useful for cutting for smaller, delicate arrangements and pretty bud vases, the flowers will last a week or longer in the vase.

Allium ‘Moly Jeannine’ has been granted an Award of Garden Merit from the RHS for its exceptional qualities.

Plant the bulbs in groups near the front of a perennial border as a sunny, golden trim to illuminate garden edges.

Pure white ornamental Allium ‘Mont Blanc’ brings a touch of class to the early summer garden.  A wonderful contrast to purple Alliums and simply stunning in a fresh green and white planting scheme.

Stems up to a metre tall produce creamy-white spherical heads which burst into life during May and June and are a magnet for pollinators.

Plant the bulbs in full sun and in well-drained soil towards the front or centre of a large, sweeping border.  Low-growing foliage plants such as Alchemilla mollis, Stachys byzantina and Hostas are useful for growing next to Alliums to hide any unsightly, fading foliage.  Flowerheads can be left on the plants to fade gracefully and provide textural autumn and winter interest.

A majestic white Allium, ‘Mount Everest’ towers above most plants in the summer border, with straight and elegant stems, over a metre in height.

Pure white blooms with green stamens are clustered in a globe formation at the tips of stems, adding wonderful shape and a striking silhouette to garden spaces, complementing virtually any plants which surround them.  Use this invaluable Allium towards the back of the border where it will hold a starring role for months on end.  The heads of Allium ‘Mount Everest’, like many other large varieties, can be left on the plants to fade naturally, adding interest and texture during the winter months.

Excellent as a cut flower, both fresh and dried.

A fine cultivar with semi-rounded heads of creamy-white flowers, Allium ‘Nigrum’ is commonly known as black or broadleaf garlic.  Each star-like floret holds a shiny green ovary at its centre and a cluster of delicate stamens.

Excellent for dry and gravel gardens, pretty Allium ‘Nigrum’ thrives in full sun and well-drained, fertile soil.  The bulbs also look wonderful grown in swathes to naturalise through grassy areas and are highly attractive to pollinators.

Native to the Middle East, this ornamental onion was traditionally used to aid the immune system.

Flowers during May and June, making Nigrum a wonderful bridging plant to bring interest during the seasonal crossover, sometimes called the ‘May gap’ in the gardening calendar.

A stunning, architectural Allium with slender, grey-green stems and lemon-yellow heads of fuzzy flowers.  Allium ‘Obliquum’ is a versatile plant which adds a soft touch and gentle movement to summer borders.

Known as the lop-sided or twisted-leaf onion, Allium ‘Obliquum’ is a wild onion native to Siberia, fully hardy and great for perennial borders and container planting.  The spherical flowers appear during June and are great for cutting and including in seasonal flower arrangements.

Plant the bulbs in autumn into well-drained soil in a sunny, sheltered location for blooms next summer.

Rich purple-red flowers dazzle and gleam in the early summer garden as they rise and bloom on sturdy stems during May and June.

Allium ‘Ostara’ is a cross between two other popular species of Allium – Atropurpureum and Karataviense and blends the best qualities of both varieties together with attractive, broad leaves and luscious burgundy flowers.

Plant the bulbs near to the front or middle of a perennial border or in a large container situated in full sun.

The large and distinctive flowers are long lasting, excellent for cutting and highly attractive to pollinators.

The perfect lilac balls of Allium ‘Party Balloons’ are a striking sight when they appear in the garden during May and June from rosettes of glaucous, arching foliage.  Held aloft on strong and sturdy stems, the spherical flower heads are made up of hundreds of tiny flowers and are a magnet for bees and early summer pollinators. 

Each bulb produces several stems of the charismatic blooms.

An ideal plant to inject a bold look into mixed, herbaceous borders and celebrate the beginning of summer - particularly eye-catching when planted in groups.  This brilliant Allium is also ideal for creating impressive pot displays filled with a bounty of soft colour, texture and height.

Unusual pink Allium ‘Pink Jewel’ bears semi-rounded heads of pretty, star-shaped florets, each with a gem-like green eye at their centre.

The rose-toned blooms top long stems up to 75cm tall and make fabulous cut flowers.

Great for attracting bees, hoverflies and other summer pollinators into the garden, the bulbs are ideal for planting in a wildlife garden or border during autumn, ready to burst into bloom next July.

A sunny location and fertile, well-drained soil are ideal conditions for Alliums to thrive and multiply naturally beneath the ground, providing an enhanced display year after year.

A stunning, tonal mix of Allium bulbs to pep up early summer gardens.

This delightful collection of purple Alliums produces flowers with different sized heads in complementary shades and at varying heights.  Perfect for threading through perennial borders in grouped clusters where they will settle in and multiply over the years.

The jewel-like spheres of Alliums are invaluable blooms for the garden during May and June, as spring crosses into summer and beds and borders can sometimes lack a little colour before summer plants burst into bloom.

The heads can be left on their stems to fade and dry out naturally, adding winter interest.

Huge flowerheads, up to 15cm across adorn slender straight stems on glamorous Allium ‘Purple Rain’.

A cross between Purple Sensation and Christophii, this dazzling cultivar has inherited the best qualities of both parents with an abundance of violet florets arranged in an interesting, open structure.   ‘Purple Rain’ has received a prestigious Award of Garden Merit from the RHS.

Tall stems make this variety excellent for cutting and using fresh in summer arrangements, and for drying and displaying as architectural seedheads.

Buds rocket up through the borders in late spring and burst into bloom during May and June. 

Bulbs look best grouped together near the middle or back of the border for a striking and colourful display.

A classy and classic cultivar - Allium ‘Purple Sensation’ produces densely clustered globes of glowing, deep-violet blooms, held aloft on straight and elegant stems.  It is the variety which we perhaps envision most when we think of this early summer beauty.

Winner of an esteemed Award of Garden Merit from the Royal Horticultural Society, Allium ‘Purple Sensation’ is an ever-popular variety for good reason.  Reliable, charming and extremely attractive to pollinators. 

Plant the bulbs in borders or large containers where they can settle in and naturalise, providing an enhanced display year after year during May and June.  Looks brilliant with lush foliage plants such as Hostas and Ferns which act as an interesting, complementary understorey and help to hide any fading Allium foliage.

Aptly named Allium ‘Red Mohican’ bears tufted heads of wine-red blooms with tiny white tips.  The uniquely shaped flowers are an interesting contrast to other varieties of Allium and are slightly later flowering than most, usually blooming throughout July making them an excellent choice for extending the season.

Popular with bees, hoverflies and summer pollinators, this affable Allium will spice up a summer border, adding height and texture and is excellent for picking.

Alliums thrive in a sunny position in the garden in well-drained, fertile soil where they can naturalise.

Suits both contemporary planting schemes and a traditional, cottage garden style.

A highly attractive form of large chive, with pinky-purple flowerheads in midsummer.  Allium ‘Schoenoprasum Forescate’ rapidly forms large clusters of slim foliage and pretty flowerheads to punctuate a summer planting scheme.

Plant near to the front of a border or in ornamental pots where the charming blooms can be seen and will add neat shape, structure and colour.

The tufted umbels are adored by bees and pollinators and can be picked and used as a cut flower or edible bloom.  Sprinkle the florets onto salads or use in cooked dishes to add a mild, oniony flavour.

Striking white Allium ‘Schubertii Arctic Snow’ bursts into bloom during May and June with huge architectural flowerheads resembling fireworks.

The star-like, pearly white florets are held on long pedicles of differing lengths, creating a stunning, explosive effect.

This new and unusual Allium makes a wonderful, long-lasting and showy cut flower.  It can also be dried and used as a textural, decorative seedhead for seasonal displays and natural Christmas decoration.

Plant the bulbs in well-drained, fertile soil, in full sun.  The bulbs are not fully hardy, so in colder regions, mulch the planting area in autumn to provide frost protection or bring pots undercover for the winter months.

Showy Allium ‘Schubertii’ explodes into action during May and June with its large, sparkler-like blooms of mallow-purple.  The tubular flowers are held out on long pedicles at varying lengths, creating a striking and impressive effect in the border.

This dramatic Allium is extremely popular for cutting and using in floral displays.  Left to dry, it provides stunning textured material for winter interest in the garden and for decorative, ornamental use in the home, especially at Christmastime.

Plant the bulbs in well-drained soil in a spot in full sun.  In colder regions, mulch the planting area in autumn to provide winter protection or bring pots undercover for the coldest months.

Egg-shaped blooms bob in the summer breeze on eye-catching Allium ‘Sphaerocephalon’. 

The compact ‘drumstick’ flowerheads rise up from the soil in late spring, enlarging in size until stems reach a final height of around 60cm tall.  A fascinating transformation of colour takes place as the blooms mature, changing from bluish green to two-toned purple-crimson and green in a striking ombre effect.  By the end of the flowering season in late summer, the maroon flowers have loosened up and are humming with bees.

Known as the round-headed leek, Allium ‘Sphaerocephalon’ is a popular, reliable variety which holds an Award of Garden Merit from the RHS. 

Fabulous in gravel gardens, structured contemporary schemes and traditional borders.

A majestic Allium which towers in the late-summer border at a height of almost 2 metres tall.  Allium ‘Summer Drummer’ puts on a spectacular display, unmissable wherever the bulbs are planted.

Smooth grey stems hold the muted-mauve globes aloft during June and July, drawing in bees and hoverflies to land and feast on their nectar-rich florets.

A sunny spot and fertile, well-drained soil suits this handsome Allium best – there it will settle happily, naturalising and putting on a stellar show for years to come.

Combine with other Allium bulbs for a long season of harmonious garden interest.

Elegant Allium ‘Taebago’ is a clever cross between two popular varieties, bearing the widely spaced, firework-like form of Schubertii, along with height and richness of colour from its other parent, Allium Atropurpureum.

Large, lilac-rose flowers sparkle in the garden during July, blooming a little later than most Alliums, therefore extending the season of interest beyond mid-summer.

Leave the heads to fade and dry naturally on their stems to add textural interest during autumn and winter months.  The flowers are also wonderful for cutting and using both fresh and dried in seasonal arrangements.

A striking pairing of two popular Allium varieties – ‘Purple Sensation’ and ‘Mount Everest’ to introduce structure and colour into your garden during early summer. 

The globe-like heads of Alliums remain fashionable amongst gardeners and florists for good reason; with long-lasting, pleasing architectural forms and impactful colour.  The nectar-rich blooms are also a magnet to pollinators such as bees and hoverflies and dry beautifully.

Vibrant purple Allium ‘Purple Sensation’ has been granted an Award of Garden Merit from the RHS for its exceptional qualities and is perfectly complemented with ‘Mount Everest’, a chic white Allium with an identical silhouette, on taller stems.

This delightful pairing of unusual, ornamental Alliums is ideal for dotting through the front of garden borders and for forming part of your layered container planting where they will attract a host of pollinators.

First to bloom in May are the RHS award-winning, dainty lemon-yellow stars of Allium ‘Moly Jeannine’.  Loosely clustered on twisting stems, the shining flowers weave their way through border companions. 

Pretty drumsticks of flaxen-blue bloom in succession from June until late July on Allium ‘Caeruleum’, providing glorious contrast on straight, tall stems.

Alliums grow best in fertile, well-drained soil in a spot which receives full sun or light shade, returning for years to come as they multiply easily beneath the soil.