Potentilla 'Katherine Dykes' has dual yellow open-faced flowers, with primrose-yellow petals and an egg-yellow centre. Forming a pleasing rounded form, covered in flowers from spring to autumn. Potentilla originates from high alpine and sub-arctic regions. It is a sprawling, shrubby plant that is extremely hardy and requires little maintenance. Flowers May-October. Height 1-1.5m (3'3"-5'); spread 90-100cm (3'-3'3"). Supplied in a 2-3 litre pot.