One sign of overwatering trouble is if the leaves turn black.

Apr 27, In this regard, why do green leaves fall off trees? Heat and drought stress will cause the tree to lose leaves that it cannot support with the available soil moisture.

Leaves that drop are most often yellow with no discernible disease spots. However, at times, we can have green leaves drop that appear perfectly healthy. Apr 27, Leaves drop for many reasons, including environmental stress, pests and disease. Listed below are some of the most common causes for leaves falling off.

Shock – Shock from transplanting, repotting or dividing, is probably the number one reason for leaf loss in bushfalling.barted Reading Time: 2 mins. Two Common Causes of Spring Leaf Drop. Some trees tend to hang on to a portion of their leaves through the winter, making spring leaf drop perfectly normal. We usually think of fall as the season for shedding, but there are a few tree species that go against the grain. But if you don’t have a tree that naturally loses its leaves in spring, your tree could have an infection.

As the tree loses water, the leaves, or needles, become unable to create food anymore, so they fall off. So, leaves always fall.

Read through the following common causes of leaf drop to get a better understanding of why your ficus may be dropping leaves, and how to minimize future occurrences.

There’s no getting around bushfalling.barted Reading Time: 4 mins. May 15, The pigment that causes leaves to be green is chlorophyll. Chlorophyll is important for plants to make food using sunlight. During spring and summer tree pruning wellington nz there is plenty of sunlight, plants make a lot of chlorophyll. In autumn when it starts to get cold, some plants stop making chlorophyll.