1、 Can I cut it
If the cultivated Pennisetum grows too high, it can be trimmed in time, which will not only increase the beauty, but also reduce the increase of nutrients. The pruning method is also very simple. Use scissors to cut off part of the taller ones. You can also shave your head. Don't keep the stem too long. Just keep it about 3cm p>
Its growth ability is very good and fast, so don't worry that it won't grow new leaves, just pay attention to maintenance after pruning. In addition, the overgrowth of Pennisetum may be a problem in maintenance. It is necessary to find out the cause and make changes p>
2、 Futile reason
1. Lack of light: plants need to see light properly during normal maintenance. If they are placed in a dark environment all day, it will last for a long time. As long as it is properly exposed to the light and ensures the ventilation of the maintenance environment, it can be well prevented from growing in vain p>
2. Excessive nitrogen fertilizer: do not apply too much nitrogen fertilizer when applying fertilizer to it. If you apply too much, it is easy to grow in vain. You should apply some phosphorus and potassium fertilizer appropriately to make its stem strong p>