Indoor plants

Treat Anthurium

Watering anthurium

This beautiful flower is commonly known as anthurium, but the scientific name is Anthurium Andreanum and it comes from the rainforests of South America. Some species live in the earth, and others on other plants, that is, they are epiphytes. In the rainforests they grow spontaneously and in the nurseries only the Andreanum species are cultivated, even if lately the Scherzerianum species are also seen, which differ from the others for the curved flower. The characteristic flower has a red corolla and a yellow central part, but on the market you can find numerous hybrids of various colors and also cut flowers, because they last a long time once cut from the plant. From spring to autumn the anthurium substrate must always remain wet, avoiding stagnation of water. The roots of the plant are very fleshy and risk rotting if they are too wet. Irrigation, frequent in the hot season, must be thinned out in winter, but always leaving the soil moist. It is essential that the humidity of the environment is very high, which can be obtained by placing the pot on a substrate of stones or clay and water, taking care that the roots are not immersed.


Once purchased, the plant must be potted in the appropriate container, in a soil enriched with peat and draining materials such as perlite or expanded clay, which must be placed for at least one third on the bottom of the pot. Since anthurium thrives well in constant humidity, it makes sense to steam the leaves often using demineralized or rain water. This plant grows very slowly and should be potted on average every two years, always at the end of winter. The new pot must be slightly larger than the previous one, with a new and fertilized soil that is very soft and draining. All species of anthurium in nature sink their roots inside other plants or in the middle of the remains of branches and trees, so it is a good idea to enrich the soil with vegetable fibers and pieces of bark. The leaves must be kept clean and moist, wiping them often with a wet paper towel, it is important that they breathe and do not accumulate dust on the surface. The temperature must never drop below 15 degrees and the soil must be rather acid; beware of sudden changes in temperature, cold wind and direct sun, which the flower does not like at all.

Fertilize Anthurium

Fertilization must begin in early spring and finish in autumn, using liquid fertilizers every 15 days. In reality this plant does not have a real vegetative rest, however it is good to add liquid fertilizer to the water only during flowering. The specific product for flowering plants is on sale in all specialized shops and must be diluted in water to a slightly lesser extent than what is stated on the package. Too much fertilizer is bad for any plant, even more so for flowering ones. Usually the flower blooms only once a year and lasts several weeks if the plant is placed in the optimal conditions of soil, brightness and temperature. It is useless to add too many nutrients, which would risk rotting the flower and sickening the leaves. If the conditions are perfect, the flower can last all year round, in fact they can be found for sale in the wonderful anthurium nurseries even in the middle of winter. When the flower becomes very tall you need to put a support, otherwise it will bend and risk breaking; old and worn leaves must always be removed, to allow new shoots to bloom.

Treating Anthurium: Exposure and Diseases

This plant does not like direct sun and thrives well in shade or partial shade; in nature it develops at the base of other plants, in rainy areas where the sun does not reach, therefore it does not need a lot of light. Draft must also be avoided, because the wind is very harmful, as the natural conditions are protected, humid and shaded. To try to recreate its ideal microclimate, the humidity should not drop below 80% and the temperature should remain constant at 25 degrees. When the plant does not bloom, a little fertilizer must be added and if the leaves wither or turn yellow it means that there is an excess of water or wind. Anthurium is not immune from attack of all parasites that feed on the sap of flowering plants and when you notice the stained leaves it is good to intervene immediately with an insecticide. The cochineal is well recognized and if there are a few specimens just remove them by hand. When the leaves curl they could be internal parasites and also in this case the insecticide is essential. There are no particular fungi that attack anthurium, apart from root rot which is perhaps the most frequent pathology.

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