Due Back In Stock In August 2025

Name: Allium Bulbs: Ostara

Botanical Name: Allium Ostara

Description: Compact, bold, and beautifully rich in colour, Allium ‘Ostara’ is a stunning ornamental Allium that produces deep pinkish-purple, globe-shaped blooms on short, sturdy stems. Flowering in late spring to early summer, it's ideal for pots, borders, and gravel gardens. Loved by bees and perfect for smaller spaces, ‘Ostara’ brings structure and vibrant colour to any garden.

Bulbs Per Pack: 5

Planting: September to December

Flowering: May to June

Approx Height When Fully Grown: 40cm

Origin: Netherlands

Certified Organic: No

How to Grow Ostara Allium Bulbs in Ireland

Plant Allium ‘Ostara’ bulbs in autumn for vivid late spring to early summer blooms. This bee-friendly allium is perfectly suited to Irish gardens, thriving in sunny spots with good drainage.

• Planting Depth: 10–12 cm deep

• Spacing: 10–15 cm apart

• Soil: Well-drained, sandy or loamy soil

• Sunlight: Full sun

• Blooming Time: June to July

• Height: 50cm

• Growing Tip: Ideal for the front of borders or in containers. Pair with other spring perennials or ornamental grasses for contrast. Leave the dried flower heads in place for added structure or harvest them for indoor arrangements.

Allium ‘Ostara’ is a compact and low-maintenance choice for Irish gardeners, providing bold colour and valuable nectar for pollinators in early summer.