Reason: Gladiolus this plant likes to grow in a warm environment, can not tolerate low temperatures, once the temperature is below 10 , the plant will have problems, its growth will be slow, resulting in yellow leaves, some of the tip of the leaf scorched.
Solution: It is necessary to take measures to keep warm and maintain the growth environment above 10 to ensure a safe winter.
Reason: It needs the support of water in the process of growth, but if it is watered too frequently, it will cause the roots to accumulate water, causing the roots to rot, affecting the transportation function, and causing the leaves to wither and turn yellow.
Solution: You need to control watering at ordinary times. Once you water too much, you need to stop watering. Put it in a well-ventilated place for maintenance to promote the evaporation of water. If the roots rot, you need to prune it.
Reason: Too much fertilization will also cause root rot, but will cause poor growth of plants, resulting in some of the leaves yellow.
Solution: If too much fertilizer is applied, stop applying fertilizer and irrigate to dilute the concentration of fertilizer.
Reason: It likes to grow in the light, but in summer, once the strong light exposure, will cause the leaves to burn, causing the leaves to yellow and wither.
Solution: Trim off the yellowing leaves and grow them in the shade.