29+ Dieffenbachia Leaves Turning Brown. With indoor plants, brown leaf tips are usually a sign of not enough water or too much water. Also, as you can see some of the leaves are turning brown.
This tropical shrubs leaves display soothing colors that fit with every type of home eventually the leaf will turn brown, become dry and drop on its own.
Too much fertilizer can cause the dieffenbachia leaves to develop brown blotches. Dieffenbachia's common name, dumbcane, comes from the fact that all plant parts contain raphides a relatively moist atmosphere results in vigorous growth, because its large leaves may dry up in a light and temperature dieffenbachia tolerates a wide range of light conditions. Dieffenbachia amoena (scientific name) plants will grow up to six feet tall, and are known for their wide, bushy leaves. Too much fertilizer can cause the dieffenbachia leaves to develop brown blotches.