Allium stipitatum ‘Violet Beauty’ (ornamental onion) was £8.99 now £6.74
Position: full sun Soil: fertile, well-drained soil Rate of growth: average Flowering period: June Hardiness: fully hardy Elegant, slender stems are topped with somewhat flat-bottomed, dome-shaped clusters of violet flowers, which mix easily with most shades of blue and purple. Garden care: Avoid excessive mositure from late summer when they become dormant. Over-large clumps can be lifted and divided in autumn or spring.

Allium ‘Globemaster’ (ornamental onion) was £9.99 now £7.49
Position: full sun Soil: fertile, well-drained soil Rate of growth: average Flowering period: July Hardiness: fully hardy Large spherical flowerheads made up of numerous star-shaped, deep violet flowers appear in summer. The enormous flowerheads, measuring up to 15cm, look great in pots or borders where they can be seen in their full glory. They are also perfect for a sunny border, dotted in groups among ornamental grasses, or as part of a Mediterranean scheme. Alliums look best planted between medium-sized herbaceous plants that will help to mask the strap-like leaves, which fade by the time the flowers appear. Garden care: Avoid excessive moisture from late summer when dormant.

Allium giganteum (giant ornamental onion) was £9.99 now £7.49
Position: full sun Soil: fertile, well-drained soil Rate of growth: average Flowering period: June to July Hardiness: fully hardy Dense globes of small, star-shaped, lilac-pink summer flowers on towering stems appear in summer above pale green leaves. This gorgeous ornamental onion – the tallest currently available – is perfect for providing vertical interest in a sunny border. Try it dotted in small groups among ornamental grasses, or as part of a Mediterranean scheme Garden care: Split and divide large clumps in autumn or spring.