Chinese Elm Bonsai Yellow Leaves Black Spots

Why are my bonsai leaves turning yellow video explores one of the most commonly asked question and one which there are a mired of possibilities.

Chinese elm bonsai yellow leaves black spots. Most elm tree diseases that attack the leaves are caused by fungi but elm leaf scorch caused by a bacterium is a little different. Your tree clean and healthy. Not all bonsai exhibit these symptoms but it is not uncommon especially in chinese elms during early spring. We got back last night and amost of the old leaves ha turned yellow some with pretty big black spots and a lot had fallen off.

Elm yellows most leaves of canopy turn yellow at once. Keep the bonsai in excellent air circulation and sun. The first sign of a drowning chinese elm is rotting bark and discolored dying leaves. Elm yellows sometimes causes butterscotch yellowing of phloem.

This must be treated. Please do not be concerned if within 2 3 weeks of delivery your bonsai shows signs of yellowing or falling leaves normally the older leaves and not the new growing tips. Chinese elms are prone to a fungal disease called black spot which appears as dark spots on the leaves. When i left the elm forest was happy as could be.

Always observe the bonsai closely. By the time the leaves fall from the tree the spots have often grown together and other discolorations have developed making it hard to differentiate between the diseases without a lab test. Chinese elm is susceptible to anthracnose which results in irregularly shaped black spots on its leaves. I went out of town for a week.

We highlight some of the reasons why. Spray with a fungicide always follow directions and remove any leaves which are more than half damaged.