Yellow spots - Knowledgebase Question

itasca, Il
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Question by bigsisdebora
July 5, 2010
What would be the cause of yellow spots on the leaves of several perennials e.g. Pincushion, Blue Mist shrub, et al

Thank you!


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Answer from NGA
July 5, 2010
The spots might be symptoms of insect feeding on the undersides of the leaves or they might be signs of a fungal disease. If only a few leaves are affected, just trim them off the plants. If lots of leaves are affected you may need to spray with a fungicide or insecticide. Good luck with your plants.

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