Cultivars
Some of these cultivars may only be available in the USA and Great Britain

'Brandywine'
This vigorous perennial grows to 300 mm (1 ft) tall by 450 mm (18 in) wide with glossy dark green cordate leaves with a wrinkled upper surface and turn deep bronze during autumn. During spring it produces creamy white flowers that persist for eight weeks appearing above the foliage in a raceme up to 450 mm (18 in) tall. 

It prefers a semi-shaded to shaded position and grows in moist well-drained organic rich soils. It is planted in shaded garden borders or used as a ground cover growing in USDA zones 4-8.

'Dark Star'
This clump forming perennial grows to 300 mm (1 ft) tall with mid-green deeply lobed leaves that are marked in bronze along the mid-veins and produces upright dense racemes of white flowers from late spring to early summer. 

It prefers a semi-shaded protected position and grows in well-drained organic rich moist soils that a tending acidic. This perennial is planted along the borders or used in containers and grows in USDA zones 4-8.

'Elizabeth Oliver'
This smaller semi evergreen perennial grows to 255 mm (10 in) tall with the deeply lobed glossy green leaves that have a burgundy centre. From spring to early summer it produces creamy white flowers that are tinged pink appearing in a tall raceme above the foliage. 

It prefers a well-drained to wet humus rich soil that is turning acidic in a protected semi-shaded to full-sun position. It is planted as a ground cover or along shaded borders in USDA zones 3-8.

'Pink Brushes'
This vigorous evergreen perennial grows to 255 mm (10 in) tall by 300 mm (1 ft) wide forming a tidy clump. It has deeply lobed and quilted glossy green leaves with a central blotch and produces light pink fragrant flowers that fade to white appearing in dense racemes up to 450 mm (18 in) tall from mid-spring to early summer. It prefers moist shaded positions but will tolerate dry conditions once established. It grows in USDA zones 6-9.

'Pink Skyrocket'
This vigorous clump forming perennial grows to 300 mm (1 ft) wide with glossy dark green deeply lobed leaves with a central blotch and produces upright dense racemes to 300 mm (1 ft) tall with white flowers that are pink in bud, from mid to late spring. It is ideal for planting along shaded front borders or used in courtyard planter boxes and grows in USDA zones 3-8.

'Running Tapestry'
This herbaceous perennial spreads by stolons and has heart-shaped pale green leaves with marooned veins forming a mounded habit. During spring over a six-week period it produces masses of tiny white flowers in upright narrow conical racemes above the foliage. 

It prefers a semi-shaded wind protected position and grows in most well-drained organic rich moist soils. This perennial is planted in shaded garden borders or rockeries and can be mass planted as a ground cover under trees all use around a water feature. It grows in USDA zones 3-8.

'Spring Symphony'
This perennial has mid-green lobed leaves with blackish mid-ribs and forms a clump of up to 255 mm (10 in) tall. From late spring to early summer it produces upright dense spikes of pink flowers. It prefers a semi-shaded wind protected position and grows in most well-drained organic rich moist soils that are tending acidic in USDA zones 3-8.

'Sugar and Spice'
This vigorous clump forming perennial grows to 300 mm (1 ft) wide with glossy dark green deeply lobed leaves with a central blotch and produces upright dense racemes of white flowers from mid to late spring.  It is ideal for planting along shaded front borders forming a trailing clump and grows in USDA zones 3-8.