Potentilla ' Katherine Dykes' has dual yellow open-faced flowers, with primrose-yellow petals & an egg-yellow centre. Forming a pleasing rounded form, covered in flowers from spring to autumn. Potentilla originates from high alpine & sub-arctic regions. It is a sprawling, shrubby plant that is extremely hardy & 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.