Coreopsis is suitable for sowing in spring and autumn. The suitable germination temperature is 15-20 degrees Celsius. Coreopsis seeds cannot be sown directly. They need to be soaked in warm water for a few hours, dried and then sown in a sunny place. , a place with fertile land, good ventilation and drainage. When the seedlings grow one or two leaves, apply nitrogen fertilizer once to supplement the nutrients they need, and water them appropriately.

Coreopsis seed sowing time

Coreopsis seeds are suitable for sowing in spring and autumn. The suitable germination temperature is 15-20 degrees Celsius. Pay attention to the Northeast region. Autumn comes earlier and spring ends. It is relatively late, so spring can be postponed and autumn can be advanced.

Coreopsis seed planting methods and steps

1. Preparation before sowing coreopsis seeds

Coreopsis seeds cannot be sown directly; It is also necessary to make adequate preparations beforehand. First of all, while ensuring the quality of the seeds, some methods can be used to break the dormancy period of the seeds. The simplest way is to let the seeds absorb water and swell. In addition, the seeds should be planted in a environment with sufficient sunshine, fertile soil, ventilation and drainage. Good place to sow seeds.

2. Sowing coreopsis seeds

Coreopsis seeds can be soaked in warm water for a few hours, and then wiped dry or allowed to dry naturally before sowing. There are many issues that need to be paid attention to during the process, but the requirements for coreopsis planting methods and planting depth and density are not very strict.

3. How to care for coreopsis

The maintenance and management method of coreopsis is relatively simple. When the seedlings grow one or two leaves, apply nitrogen fertilizer once to supplement the nutrients they need. Then during its growth, nitrogen fertilizer should be applied two to three times, appropriately combined with phosphorus fertilizer and potassium fertilizer to ensure sufficient nutrients.

Coreopsis likes a humid environment, but it is not intolerant to waterlogging. Therefore, you cannot water a large amount of water at one time, but water a small amount frequently, as long as it can ensure its growth needs. Coreopsis often appears during its growth period. Aphids and other pests, so pesticides should be sprayed in time according to the growth status of coreopsis to prevent disasters.