Why do mint leaves turn yellow? 1, improper watering
Excessive watering and long-term water shortage will lead to the yellowing of mint leaves. Therefore, when maintaining mint at ordinary times, we must water the plants according to the principle of no watering and thorough watering to prevent improper watering from causing plant growth stagnation.
2. Insufficient lighting
When mint grows in a dark environment for a long time, its leaves will turn yellow, so it is necessary to put the plant in a well-lit and ventilated place for normal photosynthesis to reduce the yellowing of leaves, and be careful not to be exposed to the scorching sun in summer.
3. The temperature is uncomfortable
During the growth of mint, if the ambient temperature is not suitable, the leaves will turn yellow. The optimum temperature for the growth of mint is 25℃-30℃. If the temperature is too low in winter, mint will stop growing when it encounters cold damage. At this time, mint needs to be maintained in a warm and sunny place indoors.
4. excessive fertilization
In the maintenance of mint, excessive fertilization is also one of the reasons for the yellowing of leaves. Fertilization should be stopped immediately at this time. In order to prevent more serious consequences, before replanting, the pot soil should be poured out and washed with water or replaced with new soil.