Why do the tips of Chlorophytum comosum leaves wither and turn black
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Why do the tips of Chlorophytum comosum leaves wither and turn black
Chlorophytum comosum is a perennial woody plant belonging to the genus Chlorophytum in the Liliaceae family, with leaves similar to orchids, making it an excellent hanging green plant for indoor spaces. However, during cultivation, it often occurs that the leaf tips turn black, and the main reasons are as follows:
(1) Over-wet potting soil: Chlorophytum comosum has succulent roots, and it is sufficient to keep the soil slightly moist during cultivation, not too wet, and certainly not waterlogged. If the soil is too heavy, permeability decreases, or excessive watering occurs, it can lead to the rotting of some roots of Chlorophytum comosum, reducing the roots' ability to absorb water, causing the leaf tips to become dehydrated and turn black. In such cases, you can carefully remove the Chlorophytum comosum from the pot, allowing the soil to dry slightly before repotting, trim the rotted roots, and then sprinkle with herbaceous plant ash or charcoal powder. Replace with new potting soil, water thoroughly, and place it in a well-ventilated and shaded area for maintenance, regularly sprinkling water on the leaves to keep them hydrated, and manage normally after the roots grow. If the leaf tip blackening is caused by excessive watering, the roots can be trimmed and replanted in the original soil.
(2) Long-term lack of repotting: If no repotting has been done for two years, the roots may grow excessively, filling the pot with old roots, reducing permeability, causing some roots to shrink, and the absorption capacity of the roots to decrease or lose its ability to absorb, leading to leaf tip drying and blackening. In such cases, prepare new potting soil, carefully remove the plant from the pot, trim the withered leaves and shrunken roots, and apply grass ash or charcoal powder to the cuts to prevent bacterial infection. Then repot and place it in a ventilated, humid, and shaded environment, paying attention to regular watering until new growth appears for normal cultivation management.
(3) Low relative humidity in the air: Chlorophytum comosum prefers a humid environment, and if the air is too dry, especially during the summers in the north, it is prone to dry tips. During cultivation and maintenance, regularly sprinkle water on the leaves.
(4) Excessive sunlight: If the sun is too intense in summer and autumn, and the temperature is too high, the leaves may wither due to lack of water. Therefore, during cultivation, Chlorophytum comosum should be placed in a semi-shaded environment.
(5) High fertilizer concentration: During the growing season, fertilizers are often used to make the leaves tender, but some gardeners may not be able to grasp the correct amount of fertilizer. If too much fertilizer is used, it can burn the roots or cause some roots to die, obstructing the absorption and leading to leaf tip drying. Therefore, when fertilizing, follow the principle of less is more, applying thin layers frequently.
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