How to maintain the shape of elm bonsai and what to do with yellow leaves

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First of all, ensure the normal growth of the plant before you can maintain its shape. Therefore, it needs to be placed in a sunny place, and then the amount of watering must be controlled. Fertilizer needs to be applied once in early spring and early autumn. Then prune according to the growth and shape of the plant, and cut off diseased and weak branches and branches that affect the shape. Caused by insufficient light or too low temperature, the plants need to be maintained in a well-lit and warm place. For yellow leaves caused by root rot, the plant needs to be dug out, the rotten parts are cut off and disinfected, and the soil can be replanted.

1. How to grow

1. Light: Elm trees like a growing environment with sufficient light, so the plants need to be maintained on a sunny balcony or outdoors. If there is insufficient sunlight, the leaves will grow leggy and the color will not be bright, and it will also be prone to breed various diseases and insect pests.

2. Watering: Elm trees like moisture but are afraid of waterlogging, so the amount of watering needs to be controlled reasonably. When the summer is hot and dry, water needs to be watered once every morning and evening. At other times, when the pot soil is dry, just water it thoroughly.

3. Fertilization: Fertilizer needs to be applied once in early spring and early autumn, and it is not advisable to apply more. Fertilizers are mainly nitrogen and potassium fertilizers.

4. Pruning: Elm trees grow quickly. Timely pruning is required to maintain the beauty of bonsai. Pruning and shaping can be carried out in autumn. Diseased branches, dead branches and useless branches that affect the shape are cut off, and the branches are pruned according to the shape or shape after shaping.

5. Pests and diseases: susceptible to aphids, scale insects, etc. When insect infestation occurs, you can spray it with omethoate 1000 times liquid, then place it in a ventilated place and wait for it to recover.

2. What to do with yellow leaves

1. For yellow leaves caused by insufficient light, the plant needs to be moved to a sunny place to allow it to recover.

2. For physiological yellow leaves caused by too low temperature, first remove the yellow leaves, and then place the plant in a warm place for maintenance, keeping its growth temperature at about 15-20 degrees. When the weather is too cold in winter, it needs to be moved indoors to a warm place for breeding.

3. Excessive watering and poor drainage of the flowerpot cause root rot, resulting in yellow leaves on the elm tree. If the situation is not serious, control the amount of watering in time and move the plant to a ventilated place. After loosening the soil, let the excess water in the pot evaporate as soon as possible. In addition, fertilizer cannot be applied in the short term. If the roots are rotten, the plant needs to be dug out, the rotten parts are cut off and disinfected, and the soil can be replanted.

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