Allium schoenoprasum (Chives)

A perennial forming clumps of edible, long, strap-like, tubular leaves and ball-like, lilac-pink flower heads bloom on stiff stems in summer. Height 60cm (2ft), Spread 50cm (1.5ft).

Aloysia citriodora (Lemon Verbena)

An upright, bushy, borderline hardy, deciduous shrub or sub-shrub with narrowly lance-shaped, lemon-scented, rough, bright green leaves and slender panicles of tiny, white or pale lilac flowers in late summer.

Anethum graveolens (Dill)

An annual with finely dissected, aromatic blue-green leaves, and flat heads of tiny yellow flowers in summer. Used as a common culiary herb. Height 1m (3ft), Spread 50cm (1.5ft).

Artemisia dracunculus 'French' (French Tarragon)

A deciduous shrub with narrowly lance-shaped, aromatic leaves and small, pale-yellow flowerheads in late summer. Height 1m (3ft), Spread 50cm (1.5ft).

Chamaemelum nobile 'Treneague' (Chamomile)

A tufted, mat-forming, hairy, aromatic, non-flowering perennial with finely-divided, bright green leaves. Height 10cm (4in), Spread 50cm (1.5ft).

Foeniculum vulgare 'Purpureum' (Bronze Fennel)

A vigorous, upright, aromatic biennial or short-lived perennial with branching stems bearing finely-divided mid-green leaves, bronze-purple when young. Small, yellow flowers in summer are followed by anise-scented seeds.

Foeniculum vulgare (Common Fennel)

An upright, clump-forming biennial or short-lived perennial with finely-divided, pinnate, mid- to blue-green leaves and branching stems bearing flat umbels of tiny, yellow flowers in summer followed by aromatic seeds.

Lavandula angustifolia 'Hidcote' (English Lavender)

A compact, bushy, evergreen shrub with linear, silver-grey leaves and upright stems bearing dense spikes of fragrant, purple flowers in summer. Height 60cm (2ft), Spread 75cm (2.5ft).

Lavandula angustifolia 'Vera' (English Lavender)

A bushy, compact evergreen shrub with narrow, grey-green leaves. In summer it bears spikes of fragrant, deep blue-purple flowers. Height & Spread 60cm (2ft).

Mentha spicata 'Spanish Pointed' (Spearmint)

A vigorously spreading, perennial with erect, dark purple stems bearing toothed, pointed, curled, aromatic, mid-green leaves and dense, spikes of mauve flowers from summer into autumn. Height 50cm (1.5ft), Spread 1m (3ft).

Mentha suaveolens (Apple Mint)

A spreading perennial herb, with apple scented leaves, and tall stems carrying light lilac flowers in summer. Height 50cm (1.5ft), Spread 30cm (1ft).

Mentha x piperita 'Strawberry' (Strawberry Mint)

A vigorous, spreading perennial with whorls of small, ovate, scalloped, wrinkled, strongly aromatic, bright green leaves, and dense, terminal spikes of tubular, pale lavender flowers from midsummer to early autumn.

Mentha x piperita 'Swiss' (Swiss Mint)

A vigorous, spreading, deciduous to semi-evergreen perennial with whorls of strongly aromatic, olive- to mid-green leaves, and dense, terminal spikes of tubular, pale lavender flowers from midsummer to early autumn.

Nepeta mussinii (Catnip)

An erect perennial with aromatic foliage, producing spikes of blue, tubular flowers in summer. Height & Spread 50cm (1.5ft).

Origanum 'Hot and Spicy' (Oregano)

A mound-forming, rhizomatous, deciduous perennial with rounded to ovate, finely hairy, edible, spicy, grey-green leaves and whorls of tiny, two-lipped, white to purple-pink flowers in summer. Height & Spread 50cm (1.5ft).

Origanum vulgare 'Compactum' (Compact Marjoram/Oregano)

A dense, compact, dome-forming, woody-based, herbaceous perennial with small, ovate, aromatic, dark green leaves and small terminal clusters of tubular, pale pink flowers from midsummer to early autumn.

Parsley 'Moss Curled'

A compact, upright biennial, widely cultivated as an annual culinary herb, with strongly aromatic, tightly curled, edible, bright green leaves and small, yellow-green flowers in summer. Height & Spread 30cm (1ft).

Rosmarinus officinalis 'Blue Winter' (Rosemary)

A compact, frost-hardy, evergreen shrub with upright branches bearing linear, aromatic, blue-green leaves and whorls of small, two-lipped, pale blue flowers from spring into summer. Height & Spread 1m (3ft).

Rosmarinus officinalis 'Miss Jessopp's Upright'

A compact, upright, vigorous, evergreen shrub with narrow, aromatic, dark green leaves and small, light blue flowers in spring and summer. Height & Spread 1.5m (5ft).

Rosmarinus officinalis 'Prostratus' (Prostrate Rosemary)

A dense, low-growing, evergreen shrub with linear, aromatic leaves and clusters of blue flowers in summer. Height 50cm (1.5ft), Spread 1.5m (5ft).

Rosmarinus officinalis (Rosemary)

A dense, bushy, upright to rounded, evergreen shrub with linear, leathery, aromatic, dark green leaves and spikes of whorled, blue or white flowers in mid-spring and early summer. Height 1.5m (5ft), Spread 60cm (2ft).

Salvia officinalis 'Icterina' (Golden Sage)

An aromatic perennial herb with attractive variegated leaves and lilac-blue flower spikes in summer. Height & Spread 1m (3ft).

Thymus 'Doone Valley' (Thyme)

A mat-forming subshrub with aromatic, lance-shaped, yellow-spotted, dark olive green leaves and crimson buds opening to rounded clusters of lavender-pink flowers in summer. Height 10cm (4in), Spread 50cm (1.5ft).

Thymus 'Silver Queen' (Thyme)

A dwarf, evergreen shrub, good for ground cover. Leaves are dark green with white margins and flowers are light purple in summer. Height 20cm (8in), Spread 50cm (1.5ft).

Thymus citriodorus 'Golden Queen' (Thyme)

A low-growing, evergreen shrub with lemon scented yellow and green variegated foliage and in summer bears pink flowers. Height 20cm (8in), Spread 50cm (1.5ft).

Thymus citriodorus (Lemon Thyme)

A compact, bushy, rounded, evergreen shrub with aromatic, narrowly lance- or diamond-shaped, mid-green leaves and, in summer, clusters of small, lavender-pink flowers with leaf-like bracts. Height & Spread 30cm (1ft).

Thymus pulegioides 'Archer's Gold' (Thyme)

A mat-forming, evergreen perennial with small, oval, aromatic, golden-yellow to yellow-green leaves and erect spikes of tiny, whorled, two-lipped, tubular, pale lilac flowers in late spring and early summer.

Thymus pulegioides 'Foxley' (Broad-Leaved Thyme)

A mat-forming, evergreen subshrub with aromatic, glossy, rounded, dark green leaves, irregularly variegated cream, and flushed red stem tips in winter. Tiny, purple-pink flowers bloom in late spring and early summer.

Thymus vulgaris 'Silver Posie' (Thyme)

A bushy, cushion-forming, spreading, evergreen shrub with small, linear, aromatic, white-margined leaves and purple-pink flowers in late spring and early summer. Height 30cm (1ft), Spread 50cm (1.5ft).

Thymus vulgaris (Common Thyme)

A low bushy shrub with small, aromatic, evergreen foliage, flowering in early summer. Height & Spread 50cm (1.5ft).