1. Reduce wateringReason: If you water too much and cause waterlogging, the leaves of the azalea will wither and turn black. Solution: Control the amount and frequency of watering and keep the soil slightly moist. Place it in a place with relatively high relative humidity to reduce its evaporation and balance the moisture above and below the ground. As long as the water balance is restored, the leaves will no longer turn black and die. 2. Use of hormonesReason: The blackening and withering of azalea leaves is mostly due to a problem with the roots. The root system cannot absorb nutrients from the soil normally, which causes its leaves to turn black. Solution: You can use hormone-like substances such as growth hormones and rooting agents to stimulate root growth, promote the germination of new buds, replace old leaves with new leaves, and restore it to a healthy state. 3. NotesThere is no way to restore the azalea leaves that have turned black, so we need to remove them to prevent them from remaining on the plant and consuming nutrients. |
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