Leafdrop on croton plants can be expected any time the plant is stressed or out of balance. You just need to get to know your croton and how to give a croton what it needs to thrive. Most of the time leaf-drop is totally normal, but occasionally something bigger is at play. Here are some issues that might be causing the leaves on your Croton to drop. Why does my croton keep droppingleaves? Not providing your crotons with proper requirements can cause sickness to your plant, which can cause the dropping of leaves. Is your Croton plant droppingleaves? We share some of the possible reasons. Humidity, acclimating, temperature, disease, pests, lighting, watering? Q: Why do crotonleaves fall off? Crotonsdrop their leaves for a variety of reasons, including as a reaction to a recent move or because they are being kept too dark, too dry, or too cold. Crotons are tropical plants and sensitive to cold temperatures. Temperatures lower than 50ºF cause the Croton’s leaves to drop with a dying appearance. Crotons often dropleaves as a stress response but rebound once conditions improve. What’s normal. Leafdrop combined with slowed growth. Temporary loss of color intensity. Perfectly healthy croton plants may naturally drop the occasional leaf, but sudden leafdrop of much of the plant is a good indication of an underlying problem with plant care that must be... Why Your Croton Is DroppingLeaves.But if the leaves continue to drop after some time, it may be due to another issue. drooping croton. Temperature Drops.