Highlights

Sculptural Summer Blooms – Striking, architectural flower heads add drama to borders from late spring into summer
Explosive Flower Heads – Each bulb produces up to 200 small pink florets in spectacular rounded clusters
Long-Lasting Display – Decorative seed heads extend garden interest well into autumn
Florist Favourite – Ideal for cutting and unique floral arrangements
Mature Size – Grows up to 60cm tall with a 20cm spread for bold visual impact
Easy to Grow – Plant in well-drained soil in full sun; low maintenance and drought tolerant once established

We're offering you a 5, 10 or 20 Allium Schubertii Bulbs for £7.99, saving you up to 33% off Thompson and Morgan's's price of £11.99 (correct as of 01.09.2025).

Architectural Blooms

Allium schubertii, a standout member of the ornamental onion family, brings bold structure and vibrant colour to any garden. Native to Central Asia, this perennial bulb is prized for its extraordinary spherical flower heads that burst into life from late spring through early summer.

Architectural Beauty: Each stem supports a globe of up to 200 star-shaped, rosy-pink florets, creating an 'exploding firework' effect that instantly draws the eye.
Seasonal Interest: After flowering, the seed heads remain attractive, offering sculptural interest and texture through autumn.
Perfect for Arrangements: The long stems and dramatic blooms make these bulbs a favourite among florists for both fresh and dried arrangements.

How to Grow Allium schubertii

Planting Time: Set bulbs in autumn (September–November) before the first hard frost.
Soil & Position: Prefers well-drained, sandy or loamy soil in full sun. Avoid waterlogged sites for best results.
Spacing: Space bulbs about 15–20cm apart to allow room for their spectacular flower heads.
Caring Tips: Water after planting and during dry spells in spring. Little maintenance required; allow foliage to die back naturally after flowering to feed the bulb for next year.
Hardiness: Fully hardy in UK gardens (RHS H4); suitable for USDA zones 5–9.

Garden Design Ideas

Add drama to mixed borders or gravel gardens by planting en masse or weaving through perennials such as Nepeta, Salvia, or ornamental grasses.
Create eye-catching container displays for patios or balconies with groups of Allium schubertii bulbs.
Their unique form makes them perfect companions for late-spring flowering plants like irises and peonies.

FAQs

When is the best time to plant Allium schubertii bulbs?
The ideal time is autumn, from September to November, before the ground freezes.
How tall do these alliums grow?
Mature plants reach around 60cm (24") in height with a spread of about 20cm (8").
What care do they need after flowering?
Let the foliage die back naturally; this allows the bulb to store energy for next year's blooms. Seed heads can be left on for decorative effect or cut for dried arrangements.