Cedar Quince Rust Rages
Christmas In July: Some hawthorns these past two weeks are sporting little orange sherbet-colored aecial spore masses of the cedar quince rust fungus (Gymnosporangium clavipes), pushing out from the haws. I am receiving many calls about this and, Frits Rizor, the Executive Director of the Ohio Nursery and Landscape Association, even sent me a text and image the other day – we are all plant pathologists!
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