Do cosmos seeds need to be soaked? When to sow them?

1. Do you need to soak the seeds?

The germination rate of cosmos seeds is not very high. They need to be soaked in water before sowing, but the soaking time does not need to be too long. Soak in warm water for 12-24 hours before planting. This will not only effectively increase the germination rate, but also avoid some diseases. But it should be noted that too hot water should not be used.

2. When to sow

Generally speaking, as long as the temperature reaches the appropriate range and remains at around 15℃, sowing can be carried out. In the south, sowing can be carried out all year round, but in the north, it is different. The best time for sowing is spring.

3. How to improve the germination rate

1. Seeds: If you want to increase the germination rate, you must use healthy, non-shriveled and insect-free seeds. This type of seeds is easier to germinate.

2. Soil: The soil used for sowing must have good air permeability. If the soil is too thick, the seeds will find it difficult to germinate and the seedlings will not be easy to break through the soil.