
Allium siculum (syn. Nectaroscordum) 3L
Allium siculum (Nectaroscordum) – Exotic Umbrella Blooms
Bring exotic elegance and late spring colour to your garden with Allium siculum, a hardy, clump-forming bulbous perennial formerly known as Nectaroscordum siculum. With its tufted, upright habit and see-through stems, it works beautifully at the front of borders, in gravel gardens, or paired with late tulips, lavender, and muted irises.
Key Features
- Flower Colour: Antique rose, cream, and muted green
- Foliage: Grey-green, narrow, keeled, strap-shaped leaves
- Height: 1.2 m (4’)
- Spread: 10 cm (4”) in 1–2 years
- Flowering Season: Late spring to early summer
- Seed Heads: Pointed, twisted upward in autumn; excellent for arrangements
- Pollinators: Attracts bees and other beneficial insects
- Hardiness: Fully hardy
Planting & Care
- Planting Time: September–November
- Depth & Spacing: 15 cm deep, slightly pointed end up, basal plate below
- Position: Full sun; tolerates partial shade and exposure
- Soil: Fertile, light, well-drained; sandy soils preferred
- Maintenance: Self-sows freely; minimal care needed once established
Why Choose Keans Claremorris?
- Premium Irish-grown bulbs suited to local conditions
- Expert guidance for planting and care
- Reliable nationwide delivery of healthy, ready-to-grow stock
- Supporting Irish horticulture while ensuring top-quality plants
Plant Allium siculum for an exotic, architectural feature, pollinator-friendly flowers, and decorative seed heads that provide interest from late spring into autumn.
Original: $12.91
-65%$12.91
$4.52Product Information
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Description
Allium siculum (Nectaroscordum) – Exotic Umbrella Blooms
Bring exotic elegance and late spring colour to your garden with Allium siculum, a hardy, clump-forming bulbous perennial formerly known as Nectaroscordum siculum. With its tufted, upright habit and see-through stems, it works beautifully at the front of borders, in gravel gardens, or paired with late tulips, lavender, and muted irises.
Key Features
- Flower Colour: Antique rose, cream, and muted green
- Foliage: Grey-green, narrow, keeled, strap-shaped leaves
- Height: 1.2 m (4’)
- Spread: 10 cm (4”) in 1–2 years
- Flowering Season: Late spring to early summer
- Seed Heads: Pointed, twisted upward in autumn; excellent for arrangements
- Pollinators: Attracts bees and other beneficial insects
- Hardiness: Fully hardy
Planting & Care
- Planting Time: September–November
- Depth & Spacing: 15 cm deep, slightly pointed end up, basal plate below
- Position: Full sun; tolerates partial shade and exposure
- Soil: Fertile, light, well-drained; sandy soils preferred
- Maintenance: Self-sows freely; minimal care needed once established
Why Choose Keans Claremorris?
- Premium Irish-grown bulbs suited to local conditions
- Expert guidance for planting and care
- Reliable nationwide delivery of healthy, ready-to-grow stock
- Supporting Irish horticulture while ensuring top-quality plants
Plant Allium siculum for an exotic, architectural feature, pollinator-friendly flowers, and decorative seed heads that provide interest from late spring into autumn.












