Under certain conditions there is no need to panic
Newcomers among the dragon tree gardeners should first of all be aware that the thin trunk of the dragon trees is similar to that of some Palm species gradually elongated by the death of leaves of the crown. Occasionally yellowing and later falling leaves are therefore quite normal if these are the lowest leaves and a sufficient number of green leaves remain at the top of the plants. In this case, you do not have to take any special measures and you can simply pluck or pluck off the completely yellow, dead leaves cut off.
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Care errors as a reason for yellow leaves
If an excessive number of leaves yellow on a dragon tree at the same time, this can indicate care errors. In these cases, the yellowing begins earlier from the top of the plant and it sometimes forms yellow spots on the leaves. This could be due to the following reasons:
- Waterlogging at the roots of the dragon tree
- Iron deficiency or an oversupply of fluorine due to unsuitable people fertilizer
- Temperature fluctuations due to direct sunlight, drafts or dry heating air
- Root injuries from the Repot
In many cases it is too frequent to water the reason for a yellowing of the leaves.
Yellow leaves as a sign of disease
Yellow leaves on the dragon tree are not always due to incorrect care. Sometimes a illness such as the so-called soft rot (Erwinia carotovora) may be the reason for this. Signs of this would be a fishy odor and mushy stem ends. Sometimes you can Offshoot infested plants can still be successfully rooted, but because of the outbreak of disease on the offshoots that usually follow, infested specimens should be disposed of immediately.
Tips
In rare cases, yellow leaves appear, even when there is a lack of water, as a sign that the plants are drying up. With very dense Earth in the pot it can make sense to water the plants once a week using the immersion method.