Indoor plants


Kalanchoe: how much and how often it should be watered

Kalanchoe is a plant of the Crassulaceae order and native to hot countries. Of the 125 species of Kalanchoe, the most common is the Blossfeldiana, coming from Madagascar, with succulent leaves of an intense and glossy green color and rich in small inflorescences. They are plants that do not need a lot of water but, in this regard, it is necessary to make two distinctions in relation to seasonality: – in autumn and winter, given the temperatures that tend to drop and a high degree of humidity, it is necessary to water the Kalanchoe only when the ground is dry; if the temperatures drop below ten degrees, then do not water; – in spring and summer, on the contrary, water more often, as soon as the soil tends to dry out. Pay attention to harmful water stagnation

How to take care of the Kalanchoe

Growing a Kalanchoe is simple. Regardless of the variety, Kalanchoe is a plant that needs a lot of light taking care, during the summer months, not to expose them to direct sunlight during the hottest hours. They are resistant plants even if it is preferable to cultivate them at a temperature that varies between 15 and 22 degrees. A minimum of 12 hours of light is required to achieve dense flowering. Kalanchoe is a plant that does not need to be pruned, it must be treated by simply eliminating dry or damaged leaves. Good practice, on the other hand, is to top the vegetative apexes to favor the growth of new inflorescences. The multiplication takes place by cutting, to be done between March and April, or by seed from February to April; in both cases, keep the jars at a constant temperature of 21 degrees.

Kalanchoe soil and fertilization

Needing a modest amount of water and given the danger represented by stagnation, the specific soil of the Kalanchoe must be fertile, light and well draining in order to let the water flow easily, avoiding stagnation. For this, materials such as expanded clay, gravel, crushed pumice stone must be placed on the bottom and a mixture of 30% river sand and 70% organic universal soil must be used. Fertilize the soil with a zinc-based fertilizer and fertilize twice a year, once in spring and once in late summer. Because the Kalanchoe is a plant that produces a considerable amount of flowers, prefer a fertilizer with a high potassium content and good percentages of microelements.

Kalanchoe pests and diseases

The appearance of the leaves will reveal a lot about the state of “health” of your Kalanchoe: if the leaves are covered with a strange mold or too soft to the touch, then it means that you need to reduce the watering that has exposed the plant to a ‘ excessive humidity and allow the soil to dry well; if you notice the presence of rotten parts on the leaves and stems, then, for sure, it has been attacked by the photophthora, so in addition to a fungicide, decrease, also in this case, the water and let it dry; strange white spots, on the other hand, are an indication of cochineal that you can eliminate with a common pesticide or, if the kalanchoe is placed inside your home, you can wash it by passing, on the parts affected by the parasite, a cotton swab soaked in alcohol.

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