Purple Alliums

Allium atropurpureum brings a beautifully saturated note to late-spring borders: deep purple-red, half-spherical flowerheads poised on slender stems above neat green foliage. It slips effortlessly through tulips and early perennials, adding height and quiet drama without ever feeling heavy.

A refined choice for modern planting schemes, it also makes a smart cut flower and is notably attractive to pollinators. Plant in autumn for an elegant show in May and June.

• Colour: Deep purple-red globes
• Flowering: May–June
• Height: 60cm
• Best for: Borders, containers and cutting

Allium ‘Hair’ is the sort of plant that makes a border feel instantly more considered. Neat stems rise to curious summer umbels: compact purple centres surrounded by fine, green, hair-like tendrils. It’s delightfully architectural—perfect for contemporary schemes, gravel gardens, and adding a light, witty note among softer perennials.

• Distinctive purple-and-green flowerheads for a modern, design-led look
• Excellent in smart mixed borders, pots, and through gravel planting
• Pollinator friendly and generally left alone by deer

Plant in autumn in free-draining soil and let it settle quietly; by early summer it delivers its memorable silhouette with minimal fuss.

Allium 'Ostara' brings a composed, architectural note to late spring and early summer planting schemes. Neat, globe-shaped heads of rich purple, starry flowers rise on straight stems above handsome blue-green foliage—ideal for lending structure to borders, gravel gardens and the best-looking pots on the terrace.

As the flowers fade, the seedheads remain decorative, extending the display with a quietly sculptural finish. A refined choice for sunny positions, and particularly useful where you’d like dependable performance in containers (including on heavier soils, provided drainage is improved).

Why we like it

• Elegant purple globes with a clean, modern silhouette
• Mid-height presence at around 40–50cm—easy to place and layer
• Pollinator friendly and well suited to borders and containers
• Attractive seedheads for lingering interest after flowering

Allium hollandicum ‘Purple Sensation’ is an enduring favourite for a reason: statuesque stems topped with richly coloured, globe-shaped flower heads that bring poise and rhythm to late spring and early-summer borders. The grey-green basal foliage forms early, then quietly recedes as the blooms take centre stage—ideal for weaving through perennials and ornamental grasses.

Equally at home in generous pots, this fully hardy allium is particularly useful where soils are heavy; simply ensure excellent drainage and enjoy a refined, architectural display that also suits the vase.

• Colour & form: deep purple, globe-shaped flower heads
• Best for: borders, containers and cutting
• Wildlife: pollinator friendly; noted for deer resistance
• Season: plant in autumn for flowers in May–June

Allium 'Giganteum' is a magnificent statement allium, lifting generous globes of lilac-pink flowers above the border on tall, assured stems. Its architectural scale gives late-spring planting a wonderfully considered air, while the individual starry florets remain light enough to mingle gracefully with perennials.

These premium 18/+ bulbs are particularly effective planted in measured groups through sunny borders. The flowers are much admired by pollinators, make superb cut stems and leave handsome seed heads for dried arrangements.

Allium caeruleum (syn. Allium azureum) is a most refined choice for late spring into early summer, sending up slim, upright stems topped with perfectly rounded, sapphire-blue flower heads. Each globe is composed of neat, starry florets—wonderfully crisp in modern gravel schemes, yet equally at home threaded through a softly planted border.

Particularly useful where winter soils can sit wet: plant in pots or raised pockets of free-draining compost and let the colour float above emerging perennials. A quietly architectural allium, and a fine companion for roses and shrubs where its cool blue reads as an elegant foil.

• Colour with poise: vivid blue globes for a clean, contemporary lift
• Border and container friendly: excellent in pots where heavy ground can be troublesome
• Wildlife-wise planting: pollinator friendly, with deer resistance

Allium ampeloprasum is a wonderfully statuesque allium, prized for its papery buds opening into rounded, lilac-toned globes held aloft on tall, steady stems. Rising cleanly above broad, grey-green foliage, it brings an assured sense of height and structure from late spring into early summer—particularly handsome woven through mixed borders and naturalistic planting.

It also makes a refined cut flower: allow a few stems to open fully for a soft, architectural note indoors, while leaving plenty in the garden for visiting pollinators.

• Elegant, architectural flowerheads in pale pink-lilac and white
• Excellent height for adding lift through borders and meadow-style schemes
• Pollinator friendly and deer resistant
• Fully hardy and pleasingly low-fuss in well-drained ground

Supplied as autumn-planting bulbs.

Allium 'Gladiator' is a statuesque choice for adding modern architecture to late-spring planting. Each bulb sends up a tall, upright stem topped with a perfectly rounded globe of soft lavender-purple flowers—clean, contemporary and wonderfully composed among grasses, nepeta and early roses.

Its grey-green foliage forms a neat base before the flowerheads rise above the border, lending height and rhythm without fuss. An elegant performer in mixed planting, and a fine option for large containers where drainage is assured.

• Large, spherical flowerheads in refined lavender-purple
• Excellent for borders and statement containers
• Pollinator friendly and notably resilient to deer
• Supplied as premium bulbs: 18/20cm

Allium cristophii (Star of Persia) brings a composed sense of theatre to the late spring garden. Each stem carries a broad, shimmering head of rosy‑violet, star-shaped flowers—architectural without being overbearing, and particularly handsome rising through fresh greens at the front of a border.

As the colour softens, the seedheads remain beautifully sculptural, lending quiet structure well into summer. A natural choice for gravel gardens and contemporary planting schemes, and a superb subject for cutting and drying.

• Large, starry flower heads in May–June
• Excellent for cut flowers and long-lasting dried arrangements
• Pollinator friendly and notably deer resistant
• Fully hardy perennial—returns with increasing presence over time

Allium schubertii is the sort of bulb that stops the eye mid‑stride. Each stem carries an open, starburst head of pinky‑purple, star-shaped florets, held on stalks of subtly varying length for an effortlessly sculptural effect. It is superb in sun-baked borders and equally compelling in a handsome container, where its architectural form can be admired up close.

Flowering in late spring into early summer, it brings a crisp, contemporary note to planting schemes and makes an exceptional cut flower. Left in place, the fading heads remain pleasingly structural, lending quiet drama long after the colour has softened.

• Colour: Purple (Pinks & Purples)
• Flowering: May–June
• Height: 60cm
• Spread: 30cm
• Position: Sheltered, sunny position
• Ideal for: Borders, Containers, Cut Flowers

Allium 'Aflatunense' (hollandicum) is a standout plant for borders, cottage gardens, cut flowers, naturalising, offering A stately ornamental allium for late spring, forming neat clumps of strap-like foliage topped by bold, spherical flowerheads on upright stems. An excellent choice for threading through tulips and cottage-garden perennials, and invaluable for adding height and structure to borders..

Best grown in full-sun, partial sun with moist but well-drained soil, it suits gardeners who want clear structure, dependable flowering, and easy planting plans.

Use it in borders, cottage gardens, cut flowers, naturalising and pair with complementary varieties to build a fuller seasonal display.

Allium unifolium 'Eros' is a beautifully refined, compact allium, prized for its domed heads of pinkish-lilac, starry florets held neatly above grey-green foliage. At a modest height, it slips effortlessly into the front of a sunny border, and is equally at home in smart pots where its tidy habit can be properly admired.

Flowering in late spring, it brings a poised lift and gentle colour that partners elegantly with tulips, forget-me-nots and early grasses, while offering welcome interest for pollinators.

• Colour: pinkish-lilac
• Height: 35cm
• Flowering: May–June
• Best in: pots & containers; sunny borders

Allium 'Summer Drummer' is the sort of perennial that lends a garden instant composure. Towering stems carry tightly packed, spherical flowerheads in pale purple with lighter highlights, rising well above neighbouring planting for a clean, architectural finish in high summer.

Plant the generous bulbs in autumn and allow them to settle in; by their second season they begin to make a handsome, long-legged statement—ideal threaded through borders, cottage-style planting, or neatly designed city courtyards. The blooms are also excellent for cutting, bringing height and poise to arrangements.

• Bulb size: 18/20
• Habit: Clump-forming perennial with tall, upright stems
• Flowering: July–August
• Best for: Borders, cottage gardens, city & courtyard gardens, cut flowers

Allium 'Globemaster' is the sort of bulb that brings instant composure to a planting scheme. In late spring, tall, steady stems carry magnificent, perfectly rounded heads of rich violet-purple, each globe composed of countless starry florets. Rising above grey-green foliage, it adds architectural rhythm through borders and naturalistic drifts, while offering a welcome pause of structure amongst softer perennials.

A refined choice for cottage gardens and smarter city courtyards alike, and particularly valuable where you’d like planting that quietly supports pollinators.

• Flowering: May–June
• Height: 80cm
• Bulb size supplied: 18/20cm
• Position: Full Sun, Partial Sun
• Soil: Fertile, well-drained soil; improves with added grit on clay

Delivery: 2-3 working days

Allium 'Ambassador' is a quietly dramatic choice for early-summer structure—generous, rich purple flower globes held aloft on tall stems, rising elegantly above neat green foliage. Planted in autumn, it returns as a reliable perennial, lending height and poise to borders and looking particularly accomplished weaving through perennials and ornamental grasses.

• Colour & form: rich purple, perfectly rounded globe heads
• Where it excels: borders, pots and containers, naturalising, and cutting for the vase
• Garden allies: pollinator friendly and noted as deer resistant
• Planting season: autumn planting for flowers in early summer

Choose a sunny, well-drained position and allow space for those impressive stems to stand with confidence. Whether dotted through a mixed border or repeated in a considered drift, 'Ambassador' delivers a refined, architectural finish just when the garden begins to gather pace.

Allium 'Forelock' is a wonderfully characterful allium, admired for its rich maroon-purple, egg-shaped flowerheads finished with a playful tufted ‘topknot’. Held on elegant stems, it brings composed, architectural punctuation to late-spring planting schemes—equally at home in smart borders or in generous pots placed where the detail can be appreciated.

As the season moves on, ‘Forelock’ continues to provide structure, pairing beautifully with airy grasses, soft cottage perennials, and other spring bulbs. A refined choice for sunny, sheltered positions with good drainage.

• Distinctive flower form: egg-shaped heads with a charming tufted finish
• Colour: deep maroon-purple (Colour Group: Purples & Blues)
• Garden value: strong late-spring presence for borders and containers
• Wildlife: pollinator friendly
• Practical bonus: deer resistant