Repeat the process after four weeks.

Jul 17, It is not uncommon for citrus trees to naturally drop a small number of leaves especially in winter. Where a large proportion of leaves fall it is a sign that the plant is under stress and there are a number of possible causes. Low light levels area common reason for leaf drop.

Orange trees drop leaves from over or under-watering, extreme temperatures, transplant shock, pests, and diseases. However, issues with watering and temperatures are the most common.

That is a good sign, the 2 most common causes of leaf drop are overwatering and cold roots.

To prevent leaves from dropping, only water orange trees when the first 2. Jul 02, An orange tree (Citrus sinensis) can lose its leaves for a number of reasons, few of which mean the tree is dead. Diseases, pests and environmental factors can cause leaf drop that won't.

Feb 05, There are two abscission zones for citrus leaves, one at the bottom of the petiole (leaf stem) for normal leaf drop, as in the case of the discarding of older leaves, and another at the bottom of the leaf blade when abscission is caused by certain types of stress.

In the latter case, the petiole remains attached to the branch.