Allium 'Ambassador' (Giant Allium)

A bulbous perennial with glossy, strap-shaped, bright green leaves and, from late spring into summer, sturdy, erect stems bearing large, dense, rounded umbels of dark purple flowers. Height 1.2m (4ft), Spread 50cm (1.5ft).

Allium 'Lucy Ball'

A bulbous perennial with strap-shaped green leaves and spherical heads of purple flowers on tall upright stems in early summer. Height 1m (3ft), Spread 30cm (1ft).

Allium roseum (Rosy Garlic)

A low-growing bulbous perennial with strap-shaped leaves. In late spring or early summer, it bears loose clusters of dainty pink flowers. Height 30cm (1ft), Spread 50cm (1.5ft).

Crocus flavus 'Golden Yellow'

A compact, clump-forming, cormous perennial bearing linear, dark green leaves, each with a silvery, central stripe, and bright yellow-orange flowers in spring. Height 20cm (8in), Spread 10cm (4in).

Crocus vernus 'Jeanne d'Arc'

A compact, tufted, cormous perennial bearing linear, dark green leaves, each with a silvery, central stripe and, in late winter and early spring, fragrant, goblet-shaped, white flowers, usually flushed purple at the base.

Crocus vernus 'Pickwick' (Dutch Crocus)

A compact, tufted, cormous perennial bearing linear, dark green leaves and purple-striped, white goblet-shaped flowers in spring. Height 20cm (8in), Spread 10cm (4in).

Crocus vernus 'Purpureus Grandiflorus' (Dutch Crocus)

A compact, clump-forming, cormous perennial bearing linear, dark green leaves and violet-purple, upward facing, goblet-shaped flowers in spring. Height 20cm (8in), Spread 10cm (4in).

Galanthus ikariae (Snowdrop)

A bulbous perennial with broad, glossy, bright green leaves and, in late winter and early spring, solitary, nodding, white flowers with large green marks on the inner segments. Height 20cm (8in), Spread 5cm (2in).

Hyacinthus orientalis 'Carnegie' (Hyacinth)

A bulbous perennial with linear to lance-shaped, channelled, bright green leaves and erect racemes of fragrant, tubular to bell-shaped, white flowers in late spring. Height 30cm (1ft), Spread 10cm (4in).

Hyacinthus orientalis 'City of Haarlem' (Hyacinth)

A bulbous perennial with upright, strap-shaped, dark green leaves and a sturdy stem bearing a densely-packed spike of fragrant, bell-shaped, yellow flowers in spring. Height 30cm (1ft), Spread 10cm (4in).

Hyacinthus orientalis 'Delft Blue' (Hyacinth)

A bulbous perennial with upright, strap-shaped, dark green leaves and a sturdy stem bearing a densely-packed spike of fragrant, bell-shaped, violet-blue flowers in spring. Height 30cm (1ft), Spread 10cm (4in).

Hyacinthus orientalis 'Fondant' (Hyacinth)

A bulbous perennial with upright, strap-shaped, dark green leaves and a sturdy stem bearing a densely-packed spike of fragrant, bell-shaped, rose-pink flowers in spring. Height 30cm (1ft), Spread 10cm (4in).

Hyacinthus orientalis 'Jan Bos' (Hyacinth)

A bulbous perennial with upright, linear to lance-shaped, dark grey-green leaves and sturdy stems bearing erect racemes of strongly fragrant, star-shaped, reddish-pink flowers in early to mid-spring.

Lilium 'Abbeville's Pride' (Asiatic Lily)

A compact, erect, bulbous perennial with a sturdy stem bearing elliptic, glossy, dark green leaves and, in summer, upward-facing, bright orange flowers. Height 50cm (1.5ft), Spread 20cm (8in).

Lilium 'Elgrado' (Asiatic Lily)

A compact, erect, bulbous perennial with a sturdy stem bearing elliptic, glossy, dark green leaves and, in summer, upward-facing, dark red flowers. Height 60cm (2ft), Spread 30cm (1ft).

Lilium 'Fire King'

A clump-forming bulbous perennial with leafy upright stems. In summer, it bears deep orange, funnel-shaped flowers with recurved petals that have purple freckles. Height 1m (3ft), Spread 30cm (1ft).

Lilium 'Foxtrot' (Asiatic Lily)

A compact, erect, bulbous perennial with a sturdy stem bearing elliptic, glossy, dark green leaves and, in summer, masses of upward-facing, light pink flowers. Height 50cm (1.5ft), Spread 20cm (8in).

Lilium 'Inuvik' (Asiatic Lily)

A compact, erect, bulbous perennial with a sturdy stem bearing elliptic, glossy, dark green leaves and, in summer, upward-facing, white flowers with lightly spotted, green throats. Height 50cm (1.5ft), Spread 30cm (1ft).

Lilium 'Star Gazer' (Lily)

A bulbous perennial with dark green leaves and, in summer, fairly open, flat flowers with prominent anthers on tall, leafy stems. The flowers are dark pink with darker freckles and pale, wavy margins to the petals.

Lilium regale 'Royal Gold' (Regal Lily)

A bulbous perennial with narrow, glossy, green leaves and large, trumpet-shaped, golden-yellow flowers. Height 1m (3ft), Spread 50cm (1.5ft).

Liriope muscari 'Big Blue' (Big Blue Lilyturf)

A clump-forming, tuberous, evergreen perennial with with glossy, dark green leaves and erect, dense, purple-flushed spikes of purple-blue flowers in late summer and autumn, followed by bright purple berries.

Narcissus 'Canaliculatus' (Daffodil)

A clump-forming bulbous perennial with strap-shaped leaves. In spring, it bears clusters of fragrant flowers with reflexed white petals and short dark-yellow cups. Height & Spread 20cm (8in).

Narcissus 'Jetfire' (Daffodil)

A clump-forming bulbous perennial with strap-shaped leaves. In early spring, its flowers have yellow reflexed petals and orange trumpets. Height 20cm (8in), Spread 10cm (4in).

Narcissus 'Minnow' (Daffodil)

A dwarf daffodil. In spring, it bears several fragrant, trumpet-shaped, pale-yellow and cream flowers. Height 50cm (1.5ft), Spread 10cm (4in).

Narcissus 'Sun Disc' (Jonquil Daffodil)

A clump-forming bulbous perennial with strap-shaped leaves and clusters of flowers with rounded yellow petals and deeper yellow cups in spring. Height 30cm (1ft), Spread 10cm (4in).

Narcissus 'Sweetness' (Jonquil Daffodil)

A clump-forming, bulbous perennial with erect, narrowly strap-shaped, dark grey-green leaves and sturdy stems bearing two to three, fragrant, golden-yellow flowers in mid-spring. Height 50cm (1.5ft), Spread 20cm (8in).

Narcissus 'Tresamble' (Daffodil)

A clump-forming bulbous perennial with strap-shaped leaves. In spring, it bears clusters of fragrant flowers with white petals and cream cups. Height 30cm (1ft), Spread 10cm (4in).

Narcissus 'Tête-à-Tête' (Daffodil)

A dwarf bulbous perennial forming a cluster of strap-shaped leaves and golden-yellow spring flowers. Height & Spread 20cm (8in).

Narcissus triandrus 'Thalia' (Daffodil)

A bulbous perennial with dark-green, strap-shaped leaves. In mid-spring, it bears up to four fragrant, white, trumpet-shaped flowers. Height 30cm (1ft), Spread 10cm (4in).

Tulipa greigii 'Oriental Beauty' (Rockery Tulip)

A bulbous perennial with upright, broad, purple-mottled, grey-green leaves and erect stems bearing single, bowl-shaped, red flowers in early to mid-spring. Height 30cm (1ft), Spread 10cm (4in).

Tulipa greigii 'Pinocchio' (Rockery Tulip)

A long lasting tulip with large flowers compared to it's height. It has red petals with tan edges that bloom in spring. Height 30cm (1ft), Spread 20cm (8in).

Tulipa greigii 'Red Riding Hood' (Rockery Tulip)

A compact, bulbous perennial with purple-marked, dark grey-green leaves and, in spring, large, bright scarlet flowers marked black at the base. Height & Spread 20cm (8in).

Tulipa kaufmanniana 'Chopin' (Rockery Tulip)

A compact perennial bulb with blue-green foliage, streaked with maroon red, and creamy-white to lemon-yellow flowers edged with red which appear from March to April. Height & Spread 50cm (1.5ft).

Tulipa kaufmanniana 'Giuseppe Verdi' (Rockery Tulip)

A small, bulbous perennial with lance-shaped, grey-green leaves and in early-spring, single, bowl-shaped, bright red flowers edged in yellow, with a golden yellow, red blotched interior. Height & Spread 20cm (8in).

Tulipa kaufmanniana 'Heart's Delight' (Rockery Tulip)

A compact, bulbous perennial with purple-marked, grey-green leaves and, in early spring, single, bowl-shaped, rose-pink flowers with wide, pale pink margins & red-marked, yellow bases. Height 20cm (8in), Spread 10cm (4in).

Tulipa kaufmanniana 'Johann Strauss' (Rockery Tulip)

A compact, bulbous perennial with purple-mottled, lance-shaped, grey-green leaves and, in early spring, single, bowl-shaped, red and cream to pale yellow flowers with brighter yellow bases. Height & Spread 20cm (8in).

Tulipa kaufmanniana 'Stresa' (Rockery Tulip)

A compact bulbous perennial, with grey-green leaves mottled with dull purple, and solitary red flowers, each tepal edged with pale yellow in early spring. Height & Spread 30cm (1ft).