Yellow leaves suddenly appear on the hibiscus. This can be due to a care error or a plant disease. With a few resources, the right care and a little patience, you can quickly spice up the garden marshmallow or rose marshmallow.
Possible causes of yellow leaves
- care mistakes
- dryness
- older and withered leaves
- relocation
- pest infestation, e.g. with spider mites
- chlorosis
- yellow spot disease
chlorosis
Extensive yellowing of the leaves can indicate chlorosis. The causes of chlorosis are often a lack of nutrients and a location that is too dark and too cool.
It is better to choose a bright location for the hibiscus rosa sinensis, for example on the windowsill, but not necessarily in the south-facing window. In winter, during the rest period, temperatures of 12 - 14°C are appropriate, in summer the hibiscus can also be warmer. You supply the plant with sufficient nutrients using a suitable liquid fertilizer.
With compost or liquid fertilizer you give your garden hibiscus the necessary nutrients. However, the garden shrub cannot be easily moved and may have to be moved to a sunnier location.
yellow spot disease
If the whole leaf is not yellow, but only has a few yellow spots, your hibiscus is affected by yellow spot disease. This is a viral disease that you need to take action on as soon as possible. Not only does the virus damage the affected hibiscus, it can also quickly spread to other plants.
The affected hibiscus must be placed individually. You remove infested leaves and dispose of them with the garbage. Please do not compost to avoid spreading the virus.
First aid for care errors
It does not have to be a disease when the leaves of the hibiscus turn yellow. He often wants to draw attention to the right care.
- The hibiscus does not like dryness at all. Then its leaves lose their color, droop
down and eventually fall off. So when it's dry, water, water, water. - However, you should not water it too much. So that no waterlogging forms, should first again
be watered when the top soil has dried. Excess water in the planter or saucer is poured off. If rotting roots have already formed, cut them back and repot the hibiscus. - Yellow leaves often form on over-aged shoots. An annual pruning can remedy this.
- Spider mites often attack the hibiscus when the air is too dry. help here
regular airing, collecting and hosing down with soapy water. - A frequent change of location stresses the room hibiscus. He reacts by shedding the buds
and with the yellowing of its leaves. It is better to place it in a suitable location from the start
to deliver.