Mar 12, If your lemon tree shows chlorosis on the leaves, that is, they turn yellow due to a lack of chlorophyll and this affects the oldest branches first and spreads to the younger ones, we are facing a case of chlorosis due to a lack of nitrogen.
Nitrogen, or N, is one of the main nutrients for the lemon tree.
There is nothing wrong with your tree. Falling leaves from citrus is quite common at this time of year, and for the next month depending where you live. The leaves in question are just old leaves that have lived out their life span A citrus leaf has a life span of 20 - 24 months. Yellow Leaves Due to Lack of Nitrogen If your lemon tree shows chlorosis of the leaves, that is, yellowing due to lack of chlorophyll and this affects the older branches first and spreads to the younger ones, this is a case of chlorosis due to lack of nitrogen.
Nitrogen, or N, is. Leaves Falling Off a Lemon Tree Nitrogen Deficiency. Nitrogen deficient lemon trees exhibit yellowing leaves and stunted growth before leaf drop. Young Iron Deficiency. Iron deficiency occurs in lemon trees grown in soils high in calcium, in wet soils with poor drainage, Moisture Stress. Lemon. There are three usual causes: lower light levels than it prefers, low humidity and soggy soil.
To give it the best care possible, do the following: 1. Don’t water unless a finger inserted two inches deep in the soil comes up dry rather than damp. 2. Keep the plant away from furnace vents.