Holly: Boron deficiency
Holly: Boron deficiency categories: Holly Holly Diseases Ornamentals Shrubs revision date: 2022-12-02 12:00 Necrotic spotting on leaves from boron deficiency Photo by: R.S. Byther Biology Boron deficiency in holly is characterized by the appearance of spots on the leaves. The spots initially are red to purple and irregularly shaped on the upper surface. They appear […]