Chinese Elm Bonsai Losing Leaves In Summer
Bonsai defoliation involves cutting all the leaves of a tree during the summer.
Chinese elm bonsai losing leaves in summer. This bonsai is characterized by its leaf shape and trunk structure. In both cases it is best to place a chinese elm in summer in full sun. If a otherwise healthy tree is dropping leaves when moved inside and not from a normal seasonal transition it is likely a pest issue. During the growing season this bonsai constantly rotates leaves and sprouts new buds as old ones fall.
The tree will start losing some old leaves in place of the new buds growing. Second most likely is temperature issue. Typical outdoor bonsai species include the juniper and the chinese elm. Below is our chinese elm bonsai growing and care information.
The juniper is an evergreen while the elm is a deciduous tree that drops its leaves or at least part of it during autumn and winter. Though they have resistance to dutch elm disease chinese elms may still become stricken by it. This technique should only be used on deciduous trees healthy enough to withstand this demanding technique. If your chinese elm drops leaves keep a close eye on it as in the following weeks it should be replaced by strong green buds.
In mid of summer with high temperatures a partially shaded place is better because the bonsai pots get very hot in the sun. If you decide to move an indoor bonsai outdoors let it acclimate to direct sunlight slowly to prevent the leaves from burning. Leaf scorch first manifests in brown and yellow leaf margins but if a chinese elm is not attended to quickly enough entire. The chinese elm can be cared for as an indoor bonsai or as a semi outdoor.
Rinse solution off leaves with plain water and repeat every few days as needed. Chinese elm prebonsai china. It will not have an autumn. In doing so you force the tree to grow new leaves leading to a reduction in the size of leaves and an increase in ramification.
Start by spraying your bonsai with a solution of 1 tsp dish soap to 1 quart tepid water or neem oil spray and spray till mixture runs off the leaves. Assuming your tree is losing leaves not because of the season but due to a problem this is what you should be looking at. The fungus responsible for the disease is spread by beetles tunneling beneath the tree s bark and. Watering improperly can cause leaf scorch in both hot and cold weather.
Morning sunlight isn t too intense but direct sunlight in the afternoon can be too strong and may burn the leaves of the bonsai especially during the summer months.