Allium Bulbs: Gladiator

Name: Allium Bulbs: Gladiator

Botanical Name: Allium "Gladiator"

Description: Make a bold statement in your late spring garden with Allium ‘Gladiator’, a tall ornamental onion that produces impressive violet-purple globe-shaped flower heads up to 15–20 cm across. Standing on strong and long stems, it's perfect for adding vertical interest to borders and cutting gardens. A bee magnet and long-lasting bloomer, it thrives in Irish gardens.

Available in quantities of:

• 3 bulbs 
• 20 bulbs

Planting: September to December

Flowering: May to June.

Approx Height When Fully Grown: 85cm

Origin: Netherlands

Certified Organic: No

How to Grow Gladiator Allium Bulbs in Ireland

Plant Allium ‘Gladiator’ bulbs in autumn for striking early summer blooms in May and June. This bee-friendly allium thrives in Ireland’s climate, especially in well-drained borders and sunny garden spots.

• Planting Depth: 15–20 cm deep

• Spacing: 20–30 cm apart

• Soil: Well-drained, moderately fertile soil (add grit if needed)

• Sunlight: Full sun is best

• Blooming Time: May to June

• Height: 85cm

• Growing Tip: Combine with perennials or grasses to disguise fading foliage. Dried flower heads can be left for visual interest or used in arrangements.

Allium ‘Gladiator’ is especially attractive to bees and other pollinators, offering a rich nectar source when many other bulbs have finished flowering.