AT A GLANCE
Are Lichens On Azaleas Harmful And How To Prevent Them?
How do I know if the azalea is infested with lichen?
Lichens form a symbiosis of algae and fungi. They use the branches of the plant as a habitat, but take care of their own nutrient balance and do not rob the plant of any energy. Lichens express themselves in one green, yellow or white coating on the plant branches. Mostly they are on the weather side of shrubs and trees to find.
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Can the azalea with lichen infestation still be saved?
A slight lichen infestation will not harm your otherwise healthy azalea. The lichens are harmless and do not rob the plant of any nutrients. However, make sure that the lichens do not gain the upper hand and, for example, overgrow buds. This is how they can do it
flower growth severely affect. Provide you with a good Care and regular Fertilize to keep the azalea healthy and strong. If the lichen spreads too much, you can gently brush it off or cut off the affected branches.What causes lichen on the azalea?
Garden azaleas prefer partially shaded or shaded ones Locations without direct sunlight, ideally under large, shady trees. Is the fouling in these places too close, can the humidity does not circulate sufficiently, which favors an infestation of algae and fungi.
Often a lichen infestation is also on the weather sides of old ones fruit-trees and other shrubs in the garden. This is initially a positive indication of a humid microclimate. At the same time, however, it can also indicate that the vegetation is too dense.
How do I prevent a lichen infestation on the azalea?
The following measures reduce a lichen infestation or expanding lichen in advance:
- Plant yours garden azaleas as free-standing as possible to ensure good air circulation.
- When pruning back in autumn, remove dried branches down to the living wood at the same time, thus thinning out the plant.
- Check regularly whether your plant is being pressed or restricted by others to avoid overgrowth.
- Take care of your azalea and fertilize Use them to strengthen to keep them healthy.
Tip
Progressive lichen growth can also attract pests
Lichens by themselves pose no threat to your azalea. However, be careful not to spread them too much. Pests also like to settle in pronounced lichens. These can then actually damage the azalea. The pests can even hibernate in the lichens. If you notice an infestation, it is best to remove the lichen with a soft brush.