Unlike Crown Rot or Root Rot , Leaf Rot is not caused by a fungus but by too much fertilizer. Symptoms of Leaf Rot tend to manifest on the outer, lower leaves and stems. This is the part of the African Violet that rests on the rim of the pot, where high concentrations of fertilizer salts will accumulate. Distinguishing Symptoms Leaves have lesions where they rest on the rim of the pot .
Stems have lesions where they rest on the rim of the pot .
If your African Violet exhibits these symptoms, it probably has Leaf Rot. Other Symptoms Leaves wilt . They may appear translucent brown with a soft, jelly-like consistency. This symptom will begin and be most noticeable where the leaves rest on the rim of the pot. Leaves have orange crystals clinging to the plant hairs .