How to grow cosmos in summer

Why does peacock grass grow poorly in summer?

In summer, cosmos will grow poorly for two main reasons. One is the influence of climate. The temperature is very high in summer, and cosmos is afraid of heat. It will grow slowly in the high temperature in summer, which affects flowering. The second reason is the aging of the plants. Generally, during the growth period, cosmos grows faster. The cosmos planted in spring tends to age in summer. When the temperature rises in autumn, the cosmos planted in the ground can resume growth and flowering after summer pruning, but the cosmos planted in pots is not easy to recover.

How should cosmos spend the summer?

In summer, the maintenance principles for cosmos can be followed as follows: one, ventilation; two, shade; three, spray water.

First of all, during the summer, you must pay attention to the growing environment, including light, temperature, etc. These are the main factors that determine whether cosmos can safely survive the summer. In terms of light, cosmos prefers sunlight and can be exposed to sufficient sunlight, but it is necessary to pay attention to shading when the temperature is high, which can have a cooling effect. It is best to ensure that the growing environment is ventilated and spray water on the plant to cool it down.

The second is water and fertilizer. In summer, cosmos can be fertilized once every half a month. Watering should be more frequent according to the growth conditions. Pay attention to spraying water more often.

Another thing to do is to pay attention to diseases and pests. Summer is a high-incidence season for diseases and pests. If you are not careful, the plants will be invaded. Strengthen ventilation and observe the growth of plants frequently to detect diseases and pests early and prevent and control them.

The last step is pruning. In summer, the branches and leaves will grow very lush. Timely pruning can allow the plants to be ventilated and light-permeable. In autumn, you can also cut the branches for cuttings.