This rarity, also known as Tannia, inspires as a vigorously growing decorative leaf plant. The arum plant is also known as a tropical crop in its original homeland. With beautiful leaves, the houseplant magically attracts. High humidity, even heat and sufficient space are essential for healthy growth. Therefore, the peculiarity feels especially comfortable in winter gardens with high humidity. The arum plant forms slightly fleshy leaves, the flower plays a rather subordinate role.

Worth knowing Giving location Fertilizing Care Potting Pests & diseases FAQ

Things to know about Xanthosoma

Botanical name: Xanthosoma lindenii and violaceum
Other names: Xanthosome, blue taro, Xanthosoma
Use: indoor plant, indoor greenery, ornamental leaf plant, conservatory plant
Origin: tropical forests of America
Flower: inconspicuous, subordinate role
Special features:

Xanthosoma is a very rare houseplant. Care requires a bit of finesse. A mature plant can be around 1m tall, so location is an important factor. The leaf, which resembles an elephant’s ear, gives it its name.

In which location does the Xanthosoma feel most comfortable?

Xanthosoma prefer a warm place in the house, preferably facing east or west. The conditions in a heated conservatory with sufficient humidity are ideal. Shading is important when the sun is strong in summer, because direct sunlight should be avoided. Temperatures should always be above 18 degrees, even in winter and at night. The rarity only feels comfortable in very high humidity. It is therefore advisable to humidify the air several times a day or to continuously ensure an even climate with the help of an air humidifier. After gradually getting used to it, this special feature can also be outdoors from June to August.

How do I water my Xanthosoma properly?

Due to the large leaf mass, Xanthosoma evaporate plenty of water. Therefore, the water requirement is enormous and it must never dry out. However, standing water leads to root damage and yellow leaves. How often you have to water depends largely on the room temperature, the amount of sunlight and the size of the pot. 15 minutes after watering, pour off the excess water because wet feet will not be tolerated.

Our gardening tip: only water or spray with stale, temperate water.

How do I properly fertilize my Xanthosoma?

Regular fertilization with special fertilizer is important for a healthy and lush green plant. Weekly fertilizing with green plant fertilizer is recommended from April to September. From October to March, fertilizing every 4 weeks is sufficient. Fertilizer sticks can be chosen as a practical form of administration. This convenient solution provides the Xanthosoma with all the necessary nutrients, minerals and trace elements for 3 months.

How do I properly care for my Xanthosoma?

Xanthosoma grow shapely by nature and in principle do not require pruning. Wilted or brown leaves are cut off at the base with a sharp knife. Excessive specimens can also be shortened a little. Rinsing the plants with lukewarm water is beneficial for vitality. This maintenance measure can be carried out once or twice a year. Spraying of the leaves takes place if necessary.

How do I pot my Xanthosoma correctly?

Due to the lush growth, it is beneficial that you repot your Xanthosoma every spring. Use a high-quality and structurally stable green plant soil and a pot that is 3-4 cm larger in diameter than the previous one. In order to avoid waterlogging, it is important that you first put a drainage layer of expanded clay in the new pot.

What pests and diseases can Xanthosoma get?

Xanthosoma are robust green plants, which are rarely attacked by diseases and pests in the optimal location. However, the following pests can occur

spider mites

Especially in winter, when the room air is dry and warm, an infestation with spider mildew can occur. The affected leaves have silvery dots on the upper side and webs are visible on the underside of the leaves. Plant pests are effectively combated by increasing the humidity and treating with plant strengtheners. The natural plant extracts contained in the Bio Aktiv agents revitalize the plant.

FAQ — Frequently asked questions about the Xanthosoma

What can be the reason for brown or yellow leaves on Xanthosoma?

A cold location or draft as well as stagnant moisture usually lead to lightening of the leaves or browning of the leaves.

Are Xanthosoma toxic?

Since the milky sap contained in the plant is poisonous, the plant should only be cut and repotted with gloves.

Can Xanthosoma reproduce?

The easiest way to propagate Xanthosoma is to divide oversized plants. The best time for this is in the spring. To do this, remove the plant from the pot and gently pull it apart. Cut through the fleshy roots (rhizomes) with a sharp knife. It is important that each new part of the plant has at least 1-2 stems. Finally, pot the new plants in small pots with high-quality green plant soil.

What does the Xanthosoma flower look like?

The flower of the Xanthosoma is inconspicuous and, like all arum plants, consists of an inflorescence surrounded by a white bract. Older plants in particular flower.