· discover common causes of brown spots on fiddle leaf fig plants and learn effective solutions to restore your plant’s health. Spreading black or dark brown spots followed by leaf drop commonly indicate root rot. · if your fiddle leaf figs leaves have spots or patches that are brown or tan as well as dry and crispy, this is usually a sign that the plant is dried out and needs to be watered more regularly. Save your plant today. Learn watering fixes, humidity solutions, and when to ignore spots. There’s no cure for this disease, and infected plants are not ideal candidates for propagation. I’ll teach you how to read the clues—the size, location, and color of the spots —to pinpoint the exact problem. · in this complete what causes brown spots on fiddle leaf fig guide, we’re going to become plant detectives. Black or brown spots spreading from the base of the leaf show root rot originating from deep within the plant. Brown spots on the bottom leaves of a fiddle leaf fig often indicate root rot. · tiny yellow spots that gradually turn brown or black indicate a leaf spot disease typically caused by the bacteria xanthomonas campestris. · diagnose brown spots on fiddle leaf fig leaves with proven methods.