The feather bristle grass is also known as pennisetum grass. With its long flower stalks it sways in the wind, but even without flowers it looks beautiful. However, in order to be able to admire it for a long time, it needs a portion of care every year!
How do I optimally care for feather bristle grass?
When caring for feather bristle grass, waterlogging and dryness should be avoided. Water the plant with stale or rainwater in hot and dry periods and fertilize it every 2 weeks from May to August. Only cut the grass back to 10 cm in spring and watch out for pests and diseases. If necessary, divide the grass in the spring to stimulate growth.
Can it tolerate waterlogging or drought?
Both waterlogging and drought damage the feather bristle grass. It doesn't tolerate both. The soil should be kept evenly moist. Once established, the feather bristle grass can survive short-term drought. But it is generally advisable to water it in hot weather and during longer dry periods. Stale tap water or rainwater should be used for this. Attention: Not too cold!
If the feather bristle grass is in the bucket, special attention must be paid to the water balance. As soon as the soil has dried on top, water it. If the tips of the plant turn brown, it is a sign that it is too dry.
Does the feather bristle grass need fertilizer?
When fertilizing your feather bristle grass, keep the following in mind:
- You can fertilize from May to August
- every 2 weeks
- Fertilizers: compost (€10.00 on Amazon), manure, pond water, green plant liquid fertilizer
- fertilize before and during flowering
- If you don't normally fertilize, you should fertilize for the first time when growth slows down
What is important when cutting?
This ornamental grass should never be cut in autumn. Its long stalks serve as important winter protection, especially against moisture and the associated rot.
Pruning only takes place in spring - between February and March. Cut the grass back to 10cm above the ground. This stimulates and accelerates new growth. A topiary is not necessary. On the other hand, dried stalks and tips can be cut away as soon as they become visible.
Are there any specific pests or diseases that can damage it?
When it is wet, it is not uncommon for fungal infestation and a clinical picture of rot or rust to occur. You should remove affected parts quickly. Spider mites can appear as pests in dry weather.
Tip
If gaps have appeared in the overall picture, you should not cut the feather bristle grass to fill the gaps. It is better to divide it in spring. This stimulates growth.