Allium Bulbs

Add height and distinctive flower shapes to sunny borders with allium bulbs. Choose large purple flower heads, lighter domed blooms or white-flowered varieties to rise through surrounding perennials in late spring and summer.
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‘Globemaster’ produces especially large purple flower heads, while ‘Gladiator’ brings tall stems and bold colour. ‘Mount Everest’ offers a white alternative, and Allium atropurpureum has darker, burgundy-purple flowers with a broader, domed shape. For a particularly tall summer feature, consider ‘Summer Drummer’.