Allium is the Latin word for garlic.
Sphaerocephalon or round headed garlic as it is known is a tall perennial with a tuft of narrow basal leaves , and long-stalked, dense, rounded heads of pink or reddish-brown flowers in summer
Plant it in substantive clusters for the best effect However, they really don't like to get waterlogged, so add a little grit to the soil when you plant them.
Position: Full Sun - Partial Shade
Colour: Pinky purple
Flowering period: May to June
Hardiness: Fully hardy