When Geranium Leaves Turn Brown?
Wilting Disease Brown Leaves on a Geranium Plant Is Often a Sign of Fungal Problem. Root Rot, Also Known as Water Mold, Is Caused by an Attack of Pythium Fungi...
How do you fix brown leaves on geraniums?
Reddish-brown pustules develop on the underside of leaves with yellow areas forming directly over the pustules on the leaf's surface. The removal of infected leaves and an application of fungicide is the best means of treating a sick geranium afflicted with rust.
What do Overwatered geraniums look like?
Generally, on overwatered plants, the bottom portions of geraniums have yellow leaves. They may also develop pale looking water spots. If this is the case, you should immediately stop watering and allow the plants to dry out. Remember, geraniums are drought-tolerant plants and they do not like too much water.