Causes of brown spots can be:
- Unfavorable lighting conditions
- Substrate not tailored to the needs of the plant
- Poured too much
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The right location
As a epiphyte plant, the flamingo flower needs a lot of light, but it does not like direct sunlight and reacts with the yellowing or browning of the foliage. Place the plant in a shady window or shade the flamingo flower on sunny days.
Anturia do not form a widely branched root ball like many plants, but a main root shoot with small secondary roots, similar to those of the orchid. The roots need a lot of light and air. They do not like compact potting soil and the flamingo flower gets brown leaves.
If this is the cause of the leaf discoloration, put the plant in orchid soil or mix the potting soil with loosening styrofoam balls or expanded clay. (€ 17.50 at Amazon *)
Poured too much
Anthuriums are very sensitive to waterlogging. If you water too much, root rot is quite common. Due to the damaged root system, the plant can hardly absorb any liquid, the leaves turn brown and dry up.
In this case, repot the plant as quickly as possible and remove the parts of the roots that are affected by rot. In future, water much less and only if the substrate feels dry after the thumb test.
The flamingo flower, like all plants, needs nutrients, but is at the same time quite frugal. If too much fertilization is used, it acknowledges this mistake in maintenance with brown discoloration of the leaves. It is sufficient to supply the plant with half the dose of a commercially available liquid fertilizer every 14 days.
Yellow or brown leaves look ugly. Although the anturia does not normally have to be cut back, you should cut it off with a sharp knife.