- Silver leaf has a wide host range.
- The disease is more serious on plums and cherries, but also attacks pears and other members of Rosaceae including peach, apricot, nectarine, almond, hawthorn, blackthorn, rose and Portuguese laurel.
- Many other woody hosts are also attached such as laburnum, horse-chestnut, currant and gooseberry, poplar and other forest and hedgerow trees.