There are skills in choosing flowers indoors in winter.

With the approach of winter, especially in the north of China, the cold weather makes citizens rarely open windows for ventilation, or even do not open windows for ventilation all winter. With the development of household modernization, indoor harmful gases such as carbon dioxide and sulfur dioxide are increasing day by day. In such an environment, if there are several pots of plants at home, it can not only beautify the indoor environment, but also produce oxygen and absorb harmful gases and floating dust. The following mainly introduces the flowers which are more suitable for indoor maintenance.

First, choose flowers

The public may not know that not all flowers are suitable for indoor farming, and not all flowers suitable for indoor farming can survive the winter safely. The following introduces several kinds of flowers suitable for indoor planting in winter.

Hanging orchid

It has a good reputation as an air filter, and it is very easy to grow. The market price is several yuan per pot. According to analysis, a pot of hanging orchid can basically absorb indoor harmful gases such as carbon monoxide and sulfur dioxide in one day and night. Chlorophyllum, also known as Cymbidium, leaves like orchid, elegant shape, sexual like temperature and humidity, the suitable temperature is 15 ℃-20 ℃, not high requirements for soil, is a typical bedroom flower.

Tortoise back bamboo

The stem is thick and the leaf is strong, and the section is like bamboo, which is suitable for putting in the relatively open living room. Tortoise back bamboo has the characteristics of easy cultivation, easy reproduction and easy management, and likes the sandy loam rich in humus. The oval holes and cracks scattered on the leaf surface can well absorb harmful gases such as formaldehyde.

Asparagus asparagus

Delicate and beautiful, elegant and refined, placed in the study, add some amorous feelings and vitality. Asparagus can not only absorb harmful gases, but also release the smell of killing bacteria, which has an unexpected preventive effect on colds, typhoid and other diseases. Although asparagus likes warm and humid environment, it should not be watered too much, and it is afraid of drought and cold, and the room temperature should not be less than 10 ℃.

Cactus

Many people will think that cactus can absorb computer radiation, but in fact, cactus can not absorb computer radiation. Jinji is a leader in the cactus family, with angled bulbs, large thorns, golden needles and 24-hour oxygen release. It is extremely easy to manage, as long as you ensure that the overwintering temperature is above 15 ℃, you can spray water mist once a few days.

Second, growing flowers

Room temperature control

Due to the weakening of light intensity in winter, in addition to effective anti-freezing, we should also let flowers warm in the sun. Receiving more than 3 hours of light every day is conducive to the growth of the coming year. But it is not that the higher the temperature, the better, most flowers will be dormant or semi-dormant after entering winter, the temperature is too high, there will be physiological activities, and even leaf bud sprouting, will waste the accumulated energy, but disadvantageous to growth, so the temperature should not be higher than 20 ℃.

Proper fertilizer and water

The absorptive capacity of flowers in winter is not strong, too much fertilizer will damage the root system, make it more cold-shy, and the evaporation of water will be weakened. The growth of flowers and plants is stagnant under the condition of low temperature, too much water will make the root system breathe unsmoothly, and it is very easy to cause root disease and even rot root death. Flowers need very little fertilizer and water in winter, so they can keep them alive.

Adjust humidity

The dry climate in winter, coupled with the use of household air conditioners, reduces the air humidity and affects the growth of flowers. In winter, the air humidity of jasmine, tortoise back bamboo and cactus should not be less than 50%, while hanging orchid, asparagus, calamus and so on should reach more than 60%. When the humidity is insufficient, the method of spraying water spray can be used to solve it.

Pay attention to the prevention of diseases and pests. Flowers are easy to occur in winter, and most of them are fungal diseases, such as Botrytis cinerea, root rot, blight and so on. The reason is no more than the decline of plant cold resistance, so the key is to improve the cold resistance of the whole plant and speed up chemical control if necessary. Pests are nothing more than the prevention of shell insects and aphids, early detection and early treatment.