Giant Alliums

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 '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 '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 '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 '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 stipitatum 'White Giant' brings a poised, architectural note to late spring borders—tall, confident stems topped with dense, starry white spheres that float above fresh green foliage. It is a quietly glamorous choice for contemporary planting schemes and classic cottage-style gardens alike, and it cuts beautifully for arrangements.

Plant in autumn in a sunny, well-drained position and allow the bulbs to naturalise into handsome clumps. As the flower heads rise in May and June, they provide an elegant vertical accent among perennials and grasses, while also offering welcome interest to pollinators.

• Colour & form: star-shaped white flowers in rounded heads
• Height: 110–150cm; a refined, statuesque presence
• Where it shines: borders, pots, and as a cut flower

Allium stipitatum 'Mount Everest' is a statuesque allium of exemplary poise, lifting perfectly rounded globes of crisp white, star-shaped flowers above grey-green foliage. In late spring and early summer, its tall, upright stems bring a clean, architectural note to borders and gravel planting, and the flower heads are equally superb in a vase.

Plant in generous drifts for a composed, contemporary look, or thread through perennials and ornamental grasses for height and rhythm. Once established, this perennial bulb returns with reliable presence and a polished finish.

• Colour: White with a light green flush
• Flower shape: Globe
• Excellent for: Borders, gravel gardens and cut flowers