When is the best time to sow Platycodon grandiflorum seeds?

Platycodon grandiflorum seed sowing time

Platycodon can be sown in spring and autumn. It is usually sown in spring from March to April, and in autumn from October to November. In order to make the seeds germinate easier, the temperature needs to be kept between 15-25 degrees during sowing, which is conducive to seed growth and development.

Platycodon grandiflorum seed planting method and steps

1. Seed treatment: Platycodon seeds need to be processed before sowing. There are generally two ways: soaking and dry planting. You can use the soaking method. Put the seeds in warm water and then stir them. Soak for about half an hour.

2. Planting medium: Platycodon is generally planted in sunny places, and the soil used should be deep and well-drained. Before sowing, the land needs to be deep plowed and prepared, and then some phosphorus fertilizer should be applied as base fertilizer.

3. Sowing: After processing the Platycodon grandiflorum seeds, you can sow them. You can use the broadcasting method to cover them with a layer of soil after sowing, and then water them in time to keep them moist, so that the germination speed will be faster.

4. Maintenance and management: After sowing, it needs to be maintained in a semi-shaded environment and watered regularly. It will sprout in about 10 days. After sprouting, the surrounding weeds need to be dealt with in time.