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Zantedeschia Aethiopica

Zantedeschia aethiopica, general information

Zantedeschia aethiopica is the scientific name of Calla, a plant belonging to the Araceae family, native to the wetlands of central-southern Africa. It is a rhizomatous perennial plant, the stem is missing in fact the leaves are born directly from the underground rhizome. The leaves are dark green, carried by long petioles, can be up to 45 cm long and 35 cm wide, overall this plant can reach a meter in height. What is commonly called a flower, is actually a modified leaf, a bract, which takes the name of white spathe, the flower, indeed the inflorescence is the yellow rod in the center of the spathe, which takes the name of spadix , carries the female flowers in the lower part and the male ones in the upper part. The inflorescences are produced between the end of

Zantedeschia aethiopica, cultivation


Zantedeschia aethiopica can be grown both in pots and in the ground, it loves bright positions but not direct exposure to the sun’s rays. It is a not very rustic plant, the minimum temperature must be above 5 ° C. It requires a very humid and humus-rich soil, a soil rich in peat mixed with sand can be used. Watering, starting from the beginning of the vegetative period, must be numerous. Care must be taken to always keep the soil wet. If grown in pots, a saucer should be used, taking care to always keep it full of water. Watering will be reduced when the leaves begin to wither, until they are completely suspended during the summer period. These needs are linked to the fact that the plant is native to humid areas of the

Zantedeschia aethiopica, planting and multiplication


Zantedeschia aethiopica is repotted in September, the rhizomes should be placed at a depth of about 5 cm, using pots with a diameter of 15 – 20 cm. From the moment the buds appear, and until the end of flowering, fertilize once a week using liquid fertilizer. At the end of the vegetative period, which corresponds to the end of flowering, when the leaves begin to turn yellow, watering is suspended and the rhizomes are put to rest. They can be left in the jar or they can be removed and stored in a cool, dry place. They should be kept for at least two months. In September, at the time of repotting, we can also proceed with the division of the rhizomes, to obtain new specimens or to prevent the plants from growing too much. In the division we must be careful,

Zantedeschia Aethiopica: Zantedeschia aethiopica, parasites


Zantedeschia aethiopica can be attacked by the spider mite and the cottony cochineal. The spider mite is a very small mite, less than half a millimeter. A hot and dry climate is the ideal environment for its development. It manifests itself with the presence of a dark spider web on the underside of the leaves, we can prevent its appearance by increasing the ambient humidity and nebulizing water on the leaves. They fight using acaricidal products. Cotton cochineal is another pest that can attack these plants in hot, dry weather. They must be removed and the plant treated with an anticoccidial product, alternatively we can rub, with alcohol diluted in water, the affected parts of the plant, also to prevent this parasite it is necessary to raise the

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