His miscanthus turns yellow and the gardener sees red. Because green is the color he always wants for his sweet grass. Can he turn things around and let the reeds turn green again from root to tip?
Why does Miscanthus turn yellow?
Some types of miscanthus, such as the giant miscanthus, naturally show a yellowish leaf color in autumn. Otherwise, yellow leaves are aSign of care errorsDiseases and pests can usually be ruled out as the cause of yellowing, as Chinese grass is not particularly susceptible to this.
What can I do about yellow leaves on miscanthus?
You should firstfind the causethat caused the miscanthus (Miscanthus sinensis) to turn yellow. Only then can youtake appropriate measures. Possible causes include:
- drought
- Waterlogging
- Nutrient deficiency or overfertilization
- wrong location
How often and with what do I have to fertilize miscanthus?
Specimens that are in very nutrient-rich soil can do without any additional fertilization. Miscanthus plants in poor soil and in pots, on the other hand, need to be regularly supplied with nutrients:
- in the bedbefore sprouting fertilize organically
- rotted is idealcompost
- fertilize regularly in the pot from April to August
Remember not to fertilize potted plants for six months after repotting as the new soil is rich in nutrients.
How do I prevent waterlogging?
Even in very dry summer times, you should only water your miscanthus plant carefullyThere must be adrainagein the bed as well as in the pot so that there is rain - and irrigation water cannot cause waterlogging. You should loosen up loamy garden soil with sand before planting, and potting soil with clay granules. The pot must of course havedrainage holes. If it is standing on a saucer, pour away the excess water as soon as possible, otherwise the rhizomes can rot.
Which location causes yellow leaves?
There are especially verysunny, dry locationswherecrushed varieties can quickly get sunburned, turn yellow and dry out. They are better off in partial shade. But all other varieties should also be protected from drought in such a sunny location.
Can I cut back all the yellow stalks?
Yellow stalks and ears will no longer regain their former green color. If individual yellow leaves bother you, you can remove them at any time. If almost the entire plant is affected, the clump should be pruned heavily so that it can soon sprout again.
Tip
Protect young miscanthus from frost damage
If miscanthus shows yellow stalks and leaves in spring, late frosts can also be responsible. Although miscanthus is hardy, you should cover young plants with brushwood or leaves in their first year of growth.
