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

'Cygnet'
This clump forming perennial grows to 300 mm (1 ft) tall with a light green heart-shaped leaves that have dentate margins. From late spring to early summer it produces upright racemes of pale pink buds that open to white star-like flowers with exserted stamens with orange anthers. 

This very attractive perennial is planted in rockeries or between stepping stones in a semi-shaded position and prefers a moist organic rich well-drained soil.

'Heronswood Mist'
This clump forming perennial grows to 300 mm (1 ft) tall and wide with pale green mottled leaves and produces white star-shaped flowers in an upright raceme above the foliage from mid spring to early summer. 

It prefers a semi-shaded wind protected position and grows in a moist well-drained organic rich soil that is tending acidic. It is used in woodland settings or is grown in a shaded rockery.

'Oakleaf'
This clump forming perennial grows to 450 mm (18 in) tall with reddish deeply lobed cordate leaves that mature dark green and produces starry pink flowers in upright racemes over 8-week period from late spring to early summer. 

It prefers a semi-shaded wind protected position and grows in moist organic rich well-drained soils. This perennial is planted in shaded garden borders or naturalised in woodland settings and can be used in shaded patio pots and planter boxes.

'Silverado'
This clump forming perennial is almost evergreen with pale green heart-shaped leaves that are blotched silvery on the upper surface. It grows to 300 mm (1 ft) tall and produces upright dense spikes of pure white flowers from mid to late spring  It grows in a semi-shaded wind protected position in a well-drained organic rich moist soil and is planted in rockeries or along a garden borders.