Plants

Calla plant

Calle from inside

On the market there are many types of calla, which usually derive from crossings between different calle and which are from apartments. Unlike outdoor ones, they fear frosts, so they can’t be grown in the garden. These calla lilies should be placed in a large pot, with nutrient-rich and light soil, so that the bulbs can develop their roots easily. Usually two bulbs are placed in a vase. Watering must be done regularly in February and March, when the roots are in full explosion, up to summer, when the leaves begin to turn yellow. Right from this moment, to allow a good vegetative rest, irrigation must be interrupted. Fertilizations must be done in the spring. Indoor calla lilies, when it is summer, they tend to lose both leaves and flowers and vegetative stasis begins. Watering will resume in winter, upon awakening. They can be of the most varied colors, yellow, purple, red, blue and black, which is a dark red tending to burgundy. Unlike Zantedeschia aethiopica, they have a more elongated and composed shape.


The calla plant has no stem and grows from the bulb that is underground, which is its root and also the part that is used for reproduction. The calla lilies can reach a height of up to one and a half meters and are divided into two different types: with early flowering and late flowering. The Zantedeschia Aethiopica, the most frequent white one, and the Zantedeschia Schwarwalder, which has a flower of a color that is close to blue and its leaves are green flecked with white, fall into the first category. Among those with later flowering we find the Zantedeschia Albomaculata, whose leaves are in clusters, the flower is white and inside, where the inflorescence starts, it is red, and its leaves are green with white spots; the Zantedeschia Elliottiana, which has heart-shaped green leaves and yellow flowers; the Zantedeschia Rehmannii, which blooms in spring, with dark pink flowers. A peculiarity of the bulbs is that they manage to capture nutrients that act as a reserve for the following year. To facilitate this process, the leaves must be taken care of even when the plant is in bloom (chlorophyll photosynthesis).

Zantedeschia Aethiopica


The cultivation of the calla plant of the genus Zantedeschia Aethiopica can be done easily. The bulb should be placed in the garden, in fresh and light soil, in the sun but also in semi-shade. It loves humidity and a feature is that it can be adapted, over time, to make it even become an aquatic plant, gradually removing the soil and replacing it with water, until the roots get used to living exclusively in water. In fact, it is used in water gardens. In areas where the climate reaches cold temperatures, it would be advisable to remove the bulb and keep it in a cool and dry place, to be able to bury it the following year. In case you do not want to proceed with this operation, you can try to cover the plant with non-woven fabric (avoid nylon sheets, which would only condense), although most of the time it is useless. The ideal soil must be fresh and light. If you plant calla lily in a pot, it is helpful to put sand on the bottom of the pot to drain the soil thoroughly. Among the most particular varieties, the Childsiana and the Greengoddess are included.

Calla plant: Watering, soil, fertilizing and pests


During the year, the calla plant goes through two periods: the vegetative period and the rest period. During the vegetative period, which begins with the end of winter, it is necessary to water abundantly, and being a plant that prefers the humidity of the environment, if in our apartments the air is too dry, it will be necessary to vaporize water on the leaves. The ideal soil must have a high percentage of humus and must be soft and as regards fertilization, an organic fertilizer is preferable. In case of repotting, the ideal would be to mix a dose of organic fertilizer to the soil and mix everything well. This mainly concerns the calle Zantedeschia Aethiopica. For indoor calla lilies, liquid fertilizers to be diluted in water are preferred. To bloom, they need sun exposure or at most semi-shade. They do not need much care, other than removing the yellow or damaged leaves. The multiplication of the calla plant can be done with the division of the bulbs or by sowing. The calla lilies are resistant plants, but they can be attacked by cochineal, aphids and mites (the products are easily available on the market).

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