Black Eyed Susan Diseases


 Rudbeckia (black eyed susan) Perennial Shrub Diseases:   Aster Yellows: Symptoms – Leaf-like structures form where flower parts should be located. Plants may branch abnormally heavily (witches’ broom), leaves may be yellow and plants may be stunted. Management – Remove and destroy infected plants. Control leafhoppers early in the season with insecticides in order […]

Rudbeckia (Black Eyed Susan) Perennial Shrub Diseases – Symptoms & ...