Disease on phygelius

QuestionsDisease on phygelius
Noreen Ahern Staff asked 14 years ago

Could you please tell what the disease on this Phygelius aequalis “Sensation” might be. I haven’t seen any pests on plant so have sprayed it with fungicide and tried cutting it back but it returns every year. Another phygelius – capensis – has it to a lesser extent while a third one “Moonraker” is disease free. I would appreciate your opinion.