What is important when cutting?
The aspect that is often taken lightly by beginners, but which harbors the greatest sources of error, is cutting. Ornamental grasses should not be cut in autumn. Patience is required, because they are only cut in the spring.
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The stalks and leaves serve as protection against moisture in winter. They also cover and protect the root area from frost. You can only safely cut off the flower stalks in autumn, for example to use them as decoration. The remaining parts of the plant are cut down to 10 cm in spring.
Is fertilizer essential for growth?
If the ornamental grasses were planted in nutrient-rich soil, the first application of fertilizer only makes sense after 2 to 3 years. Most grasses don't need a lot of nutrients to grow. Too much fertilizer is more harmful. It causes the ornamental grasses to lose their stability.
To the Fertilize for ornamental grasses you should choose early spring. Some species can also be fertilized shortly before they bloom. Suitable fertilizers are, for example:
- compost
- Bark mulch
- Pond water
- diluted liquid manure
When should you water ornamental grasses?
Watering is particularly important in the first year after planting so that the ornamental grasses can grow without any problems. Later it is sufficient to water the ornamental grasses in dry seasons and in summer heat. Ideally, water with little lime should be used.
Do ornamental grasses need winter protection?
Most Ornamental grass species are hardy. Before winter they shouldn't cut preserved, but the large specimens like Pampas grass and Chinese reeds should only be tied together in a tuft. In addition, you can protect the root area with some sticks. Ornamental grasses in pots are covered with fleece in the area of the planter.
Tips
When working directly with ornamental grasses, you should wear gloves to protect yourself from injuries caused by the sharp edges of the leaves.