How to completely fix yellowing leaves on flowers and green plants? Eight methods to help you solve it
Yellowing leaves often occur when growing flowers at home, and it is also a common difficulty encountered by flower lovers. If timely management is not carried out, the plants may die. There are many reasons for yellowing leaves on plants, and timely targeted management can be carried out according to the causes above, which can restore the plants to vitality.
1. Yellow leaves from lack of fertilizer
When plants lack fertilizer, they appear stunted and weak. The leaves turn yellow and look completely lifeless. Fertilizer should be applied immediately, and results can be seen in a few days.
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2. Yellow leaves from too much fertilizer
Applying too much concentrated fertilizer or placing it too close to the roots means the flowers cannot absorb it and the roots are burned, leading to leaf drop and yellow leaves. When fertilizing, never use fertilizer that has not been fully decomposed, and do not apply too much fertilizer; apply thin fertilizer frequently. If too much fertilizer has been applied, water more to wash the fertilizer away. You can also replace the soil completely.
3. Yellow leaves from unsuitable potting soil
Because potted flowers are watered with tap water for a long time, salt and alkali accumulate in the potting soil. In severe cases, the surface of the potting soil turns white, causing the flower leaves to turn yellow and fall off. In particular, the soil and water in the south have relatively high alkali content. You can use water soaked with apple peels to water the flowers, or use potassium dihydrogen phosphate diluted with water to water the flowers. When transplanting, it is best to use acidic soil.
4. Yellowing from drought and dehydration
Forgetting to water flowers or watering only halfway for a long time (that is, wet on top and dry below) also easily causes leaves to turn yellow, and the leaves to wilt and droop. First the lower old leaves turn yellow, and gradually wither and fall from bottom to top. In this case, a large amount of water is needed along with spraying water, so that after it recovers, it can return to normal watering.
5. Too much watering
When the potting soil is too wet for a long time, it causes a lack of oxygen in the soil, making some fibrous roots rot, so the plants cannot normally absorb water and fertilizer, causing the plant leaves to turn yellow and fall off. Watering should be controlled immediately, fertilizing should be paused, and it should be placed in a ventilated and dry place, with frequent loosening of the soil so that the soil is well aerated.
6. Yellow leaves caused by not repotting for a long time
Because the pot has not been changed for a long time, the flowers are large and the root system is extensive, requiring more water and fertilizer, and a small pot cannot satisfy the growth needs of the flowers. The root system cannot spread out and has difficulty breathing; the old leaves are dry and yellow with no luster, and the young leaves are yellow and thin. At this time, change to a suitably sized flowerpot, and choose loose soil containing humus.
7. Yellow leaves from iron deficiency
Iron deficiency in plants can cause leaves to turn yellow. Rusty water can be used to water the flowers with very good results. You can also bury rusty iron nails in the flowerpot.
8. Yellow leaves caused by pests and diseases
During the growth process, flowers inevitably suffer from pests and diseases. Once pests and diseases occur, the leaves will turn yellow and fall off, or even die. Carbendazim can be sprayed or used for irrigation every month to prevent diseases, and pay attention to good ventilation.
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