Why Is My Bonsai Tree Turning Yellow

If your bonsai is too dry that would be why your leaves are turning yellow.
Why is my bonsai tree turning yellow. A number of trees some evergreens included have leaves which turn yellow at a certain time of the year. 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. Drastic moving of bonsai trees from a warm outdoor environment to an air conditioned room can trigger yellowing of the leaves. Subtropical bonsai trees such as the chinese elm require a lot of attention when it comes to water.
If the roots have dried up completely you can t save the tree. Yellowing of bonsai leaves is not an uncommon occurrence and it is natural for some types of trees to change the color of the leaves. If you forget to water your bonsai until the soil dries out completely the tree s roots dry out and die. Some bonsai trees are very sensitive and any changes in temperature could affect its growth and development.
This could be due to insufficient lighting too little water or a mineral deficiency among other factors. Sometimes it is not natural however and it indicates that something is wrong. Yellowing of your ficus leaves is another clear indicator of water stress. Thus if it happens that your bonsai leaves turn yellow there are some possible causes for that.
Evergreens such as chinese elms and serissas can change colour during and after the winter period. If upon the tree s arrival some leaves have dropped or turned slightly brown that does not mean the bonsai is unhealthy. First of all some bonsai defoliate drop leaves when their environment changes. A lot of beginners in bonsai treat watering a bonsai tree like watering a cactus they just don t do it.
If the soil feels moist mist the leaves to increase humidity around the plant. Autumn is of course when leaves on deciduous trees change colour and fall. Exposure to a cold environment is one of the most common reasons why leaves turn yellow.