Soft lilac blue and cream flowers and a sweet coconut scent from June to September.  Height 1m Spread 90cm. Sun or part shade.

Scrambling stems continuously produce a profusion of saucer-shaped magenta flowers with black centres from midsummer to mid-autumn. Height 60cm (24in) spread 1m (3ft) Sun or part shade. 
RHS Award of Garden Merit

GERANIUM clarkei 'Kashmir White'

White flowers veined with pale lilac from July to October. Height and spread 45cm Sun or partial shade.

Lovely trailing cranesbill with pinkish red flowers for most of the summer and into the autumn. Sun. Height 6ins. Spread 30ins.

Dense clusters of almost flat blue flowers from late spring to mid-summer. Good autumn leaf colour. Height 2ft spread 12in Sun or shade.

Saucer-shaped violet-blue flowers in early summer and occasionally until early autumn. Hardy. Height 18in spread 2ft. Sun or shade. Good ground cover even in full shade.

Double flowers are soft lilac tinged with pinkish-violet, and appear during April to July. Height and spread 30cm, full shade to full sun

GERANIUM nodosum

Trumpet shaped lilac-pink flowers from late spring to mid-autumn give this geranium a very long flowering season. Dry-shade tolerant plant with glossy evergreen foliage. Height 40cm Spread 40cm.

Bronze-tinted leaves form a neat mound. Bright purple-pink flowers are produced from June until the first frosts. Good at the front of a border or on a rockery. Height 20cm spread 60cm Sun.

GERANIUM phaeum

Dusky Cranesbill. Clusters of glossy black-purple flowers are carried on erect stems in late spring and early summer. Excellent for providing early flowers in shady places. Height 80cm Spread 45cm

GERANIUM pratense 'Mrs Kendall Clarke'

Pale violet-blue flowers with white veining are produced in early and midsummer. Height and spread 60cm. Sun or part shade. 
RHS Award of Garden Merit

GERANIUM pratense 'Striatum' (Splish Splash')

Large flowers of white, splashed with violet-blue in June and July. Height 60cm Spread 45cm Sun or part shade

Violet-blue flowers are held above the mounds of handsome deeply cut purple foliage in summer. Height and spread 45cm Sun or part shade.

Intense cerise-pink, black-eyed flowers from early to late summer. Full sun or partial shade. Height and spread 60cm. 
RHS Award of Garden Merit

Evergreen perennial bearing rich purple flowers from spring to autumn. Height 45cm Spread 30cm Sun or part shade.

Veined white /pale lavender flowers. Velvety, grey-green leaves. Flowers best in poor soil. Sun or part shade. Height and spread 30cm (12in) 
RHS Award of Garden Merit

GERANIUM sanguineum var striatum

Pretty pink flowers are continuously produced in summer. Compact plant. Height 20cm Spread 30cm. Sun or part shade. 
RHS Award of Garden Merit

Dwarf, rosette-forming evergreen perennial. Brilliant magenta flowers with black centres in late spring and early summer. Sun. Height 6in. Spread 12in. Hardy. 
RHS Award of Garden Merit

Deep blue flowers with a white eye are held in clusters during summer on upright and sturdy plants. This woodland geranium will grow in sun although it's at its best in part shade. Height and spread 60cm

Single, bright orange-red flowers with prominent yellow stamens from spring to late summer. Nice at the front of border and in rock gardens. Easy and well behaved. Height and spread 30cm Sun

GEUM Mrs Bradshaw 

Semi-double scarlet red flowers on slender branched stems from June to September sun or partial shade Height and spread 60cm

Spikes of up to 20 funnel-shaped, deep magenta flowers in May to June. Full sun and well-drained soil. Height 60cm Spread 8cm
RHS Award of Garden Merit

Innumerable double soft-pink to white little flowers in mid- and late summer. A low growing, spreading variety which looks lovely positioned at the front of the border. Height 30cm Spread 60cm Sun