Leaf blotch, also called red spot and measles, is a common disease of peony caused by the fungus Graphiopsis chlorocephala (=Cladosporium paenoiae). The disease has multiple names because there are multiple symptoms. Lesion on leaves and stems can vary from tiny red spots (“measles”) to larger brown or purple blotches (Figures 1, 2 and 3).[Read More…]
As bud break is currently occurring on early species in southern and central Indiana, remember to be on the lookout for callery pear (Pyrus calleryana) on properties that you manage for removal. Callery pear (multiple cultivars in the landscape from this species) has become a major invasive species of concern in wild and disturbed areas[Read More…]
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