When a plant is being overwatered, the roots are not getting.

Certain insect pests can cause leaf drop on lemon and other citrus trees.

Jan 12, Certain insect pests can cause leaf drop on lemon and other citrus trees. California red scale is a type of armored scale that lemon trees are susceptible to.

The scale can cause yellowing of. Mar 17, Leaf droop is characterized by the abnormal sagging or downward bending of a plant’s foliage.

Symptoms of magnesium deficiency include yellowing or bronzing of leaves, and in severe cases leaves drop freely.

If the leaves of your lemon tree are drooping, they may retain their deep green color but appear to be tired or limp, and lack their usual perky and upturned form. Leaf droop on a lemon tree is usually one of the first signs of sudden bushdig.barted Reading Time: 7 mins.