Monthly Archives: August 2015

Lilac Blights

A long rainy spring, such as many of us experienced this year, creates the perfect conditions for lilac blight. There are two types of lilac blights, a fungal variety, Ascochyta syringae, and a bacterial variety, Pseudomonas syringae p.v. syringae (the … Continue reading

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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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Plant of the Month: Rudbeckia hirta ‘Indian Summer’

Rudbeckia hirta ‘Indian Summer’ is a superior breeding improvement on the classic Black-Eyed Susan. Like it’s parent, Rudbeckia hirta, ‘Indian Summer’ has hairy leaves and stems, the foliage is alternate and spread out along the main stem, there is only … Continue reading

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