What kind of soil is best for planting cosmos
Here are some detailed introductions for netizens about the best soil for planting cosmos and some small experiences of green plant maintenance regarding the planting methods and timing of cosmos. Next, the editor will introduce them to you.
The scientific name of cosmos is "Cosmos bipinnatus", which is originally distributed in the Mexico region of America and is widely cultivated in Yunnan and Sichuan provinces in China. Cosmos usually grows on ridges or by streams, and in addition to its ornamental value, it also has medicinal properties for clearing heat and detoxifying. Let's take a detailed look at the planting methods of cosmos from aspects such as planting time, soil conditions, and plant maintenance.
1. Planting Time
If you want it to bloom in summer, the planting time for cosmos is generally February to March early in the spring every year, as the temperature and light are very suitable for the growth of cosmos. If it is planted outdoors, the planting time should be in April every year. If you need it to bloom in autumn, the planting time is in July to August. The planting time of cosmos varies according to different needs.
2. Soil Conditions
Cosmos thrives in fertile, loose soil that contains organic matter. Before sowing, some decomposed organic fertilizer can be applied to the soil to increase soil fertility and promote plant growth. Mix cosmos seeds with sandy soil, scatter them on the seedbed, and cover them with a layer of fine soil about 1 cm thick. Maintain the temperature at around 18℃ and keep the soil slightly moist.
3. Plant Maintenance
About 20-30 days after sowing, cosmos will take root and germinate. When the seedlings have 4-5 true leaves, they can be transplanted to pots for maintenance and pinched to promote flowering. Cosmos has large flower shapes, so multiple pinching is required during growth to promote branching and flowering and to prevent plant dwarfing. During maintenance, the plants should be provided with ample light and water, but the amount of watering should be controlled to prevent waterlogging and root rot. No top dressing is needed during the growing period, as this may easily cause the stems and leaves to grow excessively, affecting flowering.
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