A small low growing compact shrub which has green lanced-shaped leaves. 'Sulphureum' has dainty floating flowerheads which bloom throughout summer. The flowerheads are a pretty pale yellow colour.
A superb front of the border shrub providing you with fantastic blooms throughout the summer. Ensure your soil is free-draining and the situation is sunny. 'Sulphureum' is often used for banks and slopes as ground cover.