The rather gross-looking cankers of Eastern filbert blight, a fungus that’s not a fun-guy! Run out right now and inspect your corkscrew hazel shrub (Corylus avellana ‘Contorta’) for bumps like these. If you see semi-regular, black cankers along the stems (like I did), your hazel has Eastern filbert blight (Anisogramma anomala). If left to its own … Continue reading Warning: Eastern Filbert Blight