Rose Diseases

Unfortunately, roses are not care-free plants, at least not in the Midwest.  They are susceptible hosts to several diseases, namely powdery mildew, rust, black spot and rose rosette.   Powdery mildew:  The name is apt for this disease, as the foliage of affected stems turns to a whitish cast as if dusted with flour.  Powdery…

Ash Tree Bolete

We’ve been receiving multiple samples and questions about the Ash Tree Bolete.  We are proud to have Professor Emeritus Tom Weber from University of Nebraska – Omaha as an Extension Master Gardener share his insights with this particular fungi. The first organism on the list of ash tree associates, good or evil, that pops up…