Tag Archives: symphyotrichum novae-angliae ‘purple dome’

Alternaria Leaf Spot Fungus on Aster ‘Purple Dome’

Regrettably, I can no longer recommend Aster (syn. Symphyotrichum) novae-angliae ‘Purple Dome’ due to its susceptibility to Alternaria leaf spot. Alternaria is a fungal leaf spot disease that can affect trees, as well as perennials. Although often not serious on … Continue reading

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