How did the elm leaves fall off?

Elm has fine branches and leaves, beautiful tree shape and mottled bark. Very suitable for bonsai, more suitable for pavilions or rocks. But fallen leaves will affect its ornamental value. So, what happened to the elm leaves? What should we do in this situation? Don't worry, the gardener's uncle will help you! Causes and solutions of defoliation of potted elm: 1. If there is too much water, elm leaves will turn yellow and fall off. Solution: keep the soil in the basin moist, thoroughly water it once, and then water it when it is dry. No water can accumulate. If there is waterlogging in the basin, it should be dredged as soon as possible. Leaflets and yellow leaves fall off. 2. Insufficient sunshine or exposure will make elm grow indoors for too long. If you don't see the sun for a long time, it's easy to fall leaves and attract pests. However, exposure to the sun for a long time is easy to dry up and lose leaves. Solution: Ulmus pumila should be placed in a sunny place. If you are exposed to the sun in summer, you can shade yourself properly. 3. Other reasons may cause diseases and insect pests, which can be observed more specifically. If it is damaged by aphids or clams, it can be sprayed with 0/000 times diluted water of omethoate/kloc. Tips for small-leaf elm bonsai In addition to the above reasons, it may be winter, and the temperature is too low, which will cause the small-leaf elm to fall leaves. Don't be too nervous in this situation. Pay attention to the cold, leaves will grow again when the weather is warm.