Bonsai Tree Dry Leaves
The reason for deterioration of the bonsai could either be under watering or root damage that prevents water.
Bonsai tree dry leaves. Within days you will see the leaves of your tree wither and fall off or in case you have an evergreen its foliage will slowly turn yellow. This often results in the death of bonsai. If you forget to water your bonsai until the soil dries out completely the tree s roots dry out and die. If packed into a container that is too small to house the root system properly your tiny fellows can become root bound.
Alternatively like the conifers under watering a deciduous tree will caused the leaves to dry up and eventually fall off completely. Watering the tree too frequently can cause it to become stressed and lose leaves while infrequent watering can dry out the tree and kill it. Bonsai soils are specially formulated to dry out slowly which is healthier for the tree. Water the bonsai tree when the top half inch of potting soil is dry to the touch.
Just like the name suggests root bound bonsai trees will possess a root system that is literally packed in the wrong sized pot. If the leaves on your bonsai tree remain green but are dry and crispy then your bonsai has either dried out at some stage or it is in such a hot position that water cannot be transferred from the roots to the leaves quickly enough. For deciduous trees like maples discoloration in the foliage could be caused by continued exposure to the afternoon sun. To ascertain whether your bonsai is still alive make a small cut on the trunk or branches in a couple of places.
Brittle branches foliage. If the roots have dried up completely you can t save the tree. Dry crispy bonsai leaves.