Brown leaf tips often indicate a lack of moisture
You can quickly tell from the color of the leaves that the single leaf is not feeling very comfortable. For example, if the single leaf suddenly turns brown, this is usually due to the air in the room being too dry. Spathiphyllum is a rainforest plant that needs temperatures of around 25 ° C and a very high level of humidity to feel good - precisely these conditions prevail in its home region, the South American rainforest primarily in Colombia.
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Beware of spider mites and red spiders
However, dry room air not only leads to dry and brown leaf tips, but often also to an infestation with spider mites or the red spider. These pests occur preferentially in warm and dry air conditions, particularly afflicting weakened plants. The little animals suck off the leaf sap and damage the affected plant in addition, so that the unsightly discoloration of the leaves is often accompanied by poor growth or a lack of bloom. Spider mites in particular are very difficult to detect due to their small size. However, treatment as early as possible helps to limit damage as much as possible.
Spray the single leaf regularly - just not the flowers
For all of the reasons mentioned, it makes sense to regularly mist the single sheet with the help of a spray bottle with a fine attachment. Use decalcified water for this, or even better soft rainwater, because the plant is very sensitive to lime. In addition, the spray water should be warm (room temperature is sufficient) in order to best simulate the conditions in the rainforest. However, only spray the leaves, not the flowers - otherwise they could turn brown. By the way, the substrate should always be kept slightly moist. If the plant is repeatedly too dry, the tips of the leaves can also turn brown.
Tips
Brown spots or dots on the leaves of the single leaf, on the other hand, are usually an indication of over-fertilization, but can also be caused by a pest infestation or a fungicidal disease.
