How to grow cosmos? How to grow cosmos

Cosmos is a flower plant with bright colors and high ornamental value. It blooms in large quantities every summer, with a light and lasting fragrance. Some people want to grow some by themselves, but they don't know how to grow Cosmos, let alone how to grow Cosmos. Today, I will give you a detailed introduction so that you can easily understand how to grow Cosmos.

1. Growth habits

When planting cosmos, you must have a comprehensive understanding of its growth habits. This plant likes plenty of sunlight, but is relatively tolerant to barrenness. During the cultivation period, avoid fertilizer, waterlogging and high temperatures. Its cold resistance is relatively poor, and it needs fertile and well-drained soil during the growth period. Do not choose clay soil to plant cosmos.

2. Reproduction method

When planting cosmos, you can actually use seeds to sow and propagate, or you can choose cuttings. Seeding is usually done in early spring, so that it can bloom in May or June, stop blooming in summer, and bloom again in autumn. During the growth period of cosmos, you can use cuttings to propagate at any time. You can cut strong branches from its nodes and directly insert them into sandy loam and place them in a cool environment. They will take root after five or six days.

3. Daily management

Daily management is also very important when planting cosmos. It should not be allowed to grow into a tall plant, especially when planted in a windy environment. It should be cultivated into a short plant. When its seedlings grow to between 20 and 30 centimeters, they need to be topped in time, and the new top buds need to be topped several times in the future. Only in this way can the plant be dwarfed, and this can also increase the number of flowers.

4. Pest and disease control

After entering the hot summer, cosmos is prone to some pests, and red spider mites are one of the most common pests. At this time, it is necessary to spray pesticides in time or lower the ambient temperature in advance for prevention. In addition, cosmos seeds need to be harvested in time after they mature, and dried and preserved. Only in this way can they be replanted the next year.