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.

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 (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 'Alba' (Lavender)

A compact, evergreen shrub with dense, aromatic, grey-green foliage producing erect stems of white flowers throughout the summer. Height 60cm (2ft), Spread 1m (3ft).

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 'Munstead' (English Lavender)

A compact, bushy, evergreen shrub with upright stems bearing linear, grey-green leaves and dense spikes of small, strongly fragrant, purple-blue flowers in summer. Height 50cm (1.5ft), Spread 60cm (2ft).

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 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.

Mentha x piperita (Peppermint)

A clump-forming perennial with lobed leaves, and tall stems carrying large, light mauve flowers in summer. Height 50cm (1.5ft), Spread 1m (3ft).

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.

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 '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 '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 (Common Thyme)

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