How to raise cactus potted plants? Why are there rotten roots?

Cactus is a very easy to raise plants, vitality is very exuberant, both high temperature and low temperature resistance, loved by many people. Cactus is also one of the common potted plants in the office, and almost everyone has a pot next to a white-collar computer. Although cactus is not protected from radiation, it can absorb harmful gases in the air, which is one of the reasons why people like to keep it. So how to raise cactus potted plants? Why are there rotten roots?

First, how to raise cactus potted plants?

1. Suitable growth temperature

Although the cactus can grow at both high and low temperatures, it grows better at 20-30 ℃. When overwintering, the growth temperature of no less than 5 ℃ can safely survive the winter, and in summer, if the temperature is as high as 35 ℃, the cactus will go into dormancy, so it is necessary to move indoors to cool down properly, not to move out at noon.

2. Proper watering

Cactus has the laudatory name of desert flower, so it is very drought-resistant, even if it is not watered for a month, it will not die, which is why it is suitable for lazy people to raise potted plants. Having said that, in order for the cactus to grow healthily, it still needs to be watered on time. If it is not watered for too long, it will turn yellow, Lignification or die directly. If the soil is cultivated, as long as the pot soil is moist and dry, it can be watered thoroughly at one time, and then irrigated when it is dry. Hydroponic culture can be done as long as the root has water absorption, but the water should be changed at intervals.

3. Plenty of light

Cactus can grow green and blossom only when it is sunny and sunny. In summer, you only need a little shade at noon. There is relatively little sunshine in winter. If there are conditions, you can choose the light to illuminate. As long as there is the sun, you can get it under the sun.

4. Proper topdressing

Although the maintenance of cactus does not need too much fertilizer, but in order to make it grow fast during the growth period, organic fertilizer can be applied properly and mixed directly in clear water and potted soil. Remember not to be too thick, or the whole plant will die.

Second, why does the cactus have rotten roots?

Although cactus is easy to raise, but many novices do not understand its growth habits, in the maintenance process of rotting root phenomenon, but also do not know what caused it, let's take a look.

There are basically two reasons for the rotten root of cactus, one is physiological, the other is pathological, we do not do in-depth research, the specific diseases and insect pests are different treatment programs. There are two reasons for physiological rotting roots:

1. There is not enough light and ventilation

Many people care for the cactus and put it indoors to decorate the environment, thinking that it can grow well without light, which is a wrong view. Cactus needs to be exposed to the sun, long-term placed in the dark and unventilated room is prone to the occurrence of diseases and insect pests and rotting roots.

2. Overwatering

Many people like to water potted plants every day, regardless of the wettability of the potted soil, too much water is irrigated in the potted soil, which will produce stagnant water, so that the roots can not breathe, resulting in rotting roots.

To sum up, if the cactus grows well and does not rot its roots, we must pay attention to the details such as temperature, light, soil, watering, fertilization and so on.