‘Knee High’

Dwarf, multi-branched variety in cream, lavender and pink. H/S: 30cm (1ft).

From www.thompson-morgan.com; tel: 0333 400 0033

‘Primrose Carousel’

Primrose and claret-speckled flowers. H: 75cm (2½ft) S: 40cm (1¼ft).

From www.plant-world-seeds.com; tel: 01803 872939.

‘Carillon’

Herbaceous, clumping perennial. Long-flowered, soft yellow spires. H/S: 60cm (2ft). From www.thebotanicnursery.co.uk; tel 07850 328756.