Cultivars
'Silver Carpet'
This compact form has simular foliage and produces fewer flowers but is an excellent ground cover.

'Cotton Boll' syn. 'Sheila  Mc Queen'
 The flowers on this plant resumable cotton wool buds.

'Primrose Heron'
This plant has yellow-green leaves but otherwise the same as the parent plant.

'Big Ears'  syn. 'Countess Helen  von Stein'
This is a larger form and produces purple flowers on tall spikes.