Most often, in the cold season, you can find the tips of houseplants begin to darken mysteriously. In order to somehow help the colors, you must first understand why this is happening at all. In most cases, such a negative phenomenon is caused by one of the following five reasons.
1. Low air humidity
Low air humidity in the room is the first and perhaps the most important reason for drying and blackening leaves in plants. In most cases, nothing can be done about this, since after starting the heating devices, the humidity indicator almost immediately drops to 30 percent. And this is almost an extreme value for many colors. Only cacti are capable of experiencing this painlessly.
2. Heat
Too high air temperature (especially coupled with low humidity) can lead to blackening and drying of plant leaves. For this reason, it is very important to ensure that during the winter period the thermometer strip does not fall below 16 degrees in the dwelling and does not exceed 20 degrees. The optimum temperature for most indoor plants is 18 degrees Celsius. Those who use additional heating devices in the house need to be especially careful.
3. Draft
Cold air from the vents contributes to the rapid wilting and blackening of the leaves. Most often, a couple of minutes is enough to start a destructive process. For this reason, it is very important to either rearrange the pots with plants or initially put them in places where there will definitely not be cold air.
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4. Root problems
Most often, in winter, the leaves turn black precisely because of problems with the roots, namely, their decay. It, in turn, can happen due to its own reasons. First of all, it is incorrect, excessive watering of plants. Heavy, dense soil in the pot can also cause rotting. Finally, the plant can simply pass through the cold air, which can also negatively affect the root system.
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5. Water
Finally, plain water can cause blackening of the tips of the foliage. Most often, blackening begins when the owners start using cold water. If water for irrigation is taken from the tap, it is strongly recommended to let it settle for two days in an open container. This is necessary to reduce the amount of chlorine, as well as the settling of heavy salts in the water. In addition, the liquid should be at room temperature.
Do you want to know even more interesting things? How about reading about 5 ways to quickly peel kiwiso that no pulp remains on the skin.
A source: https://novate.ru/blogs/191219/52780/