Platycodon grandiflorum planting method and time planting season and management technology

The best time to plant Platycodon grandiflorum

Platycodon can be planted in both spring and autumn. Spring is usually planted in March and April, and autumn is usually planted in October and November.

In order to make the Platycodon seeds germinate more easily, they need to be soaked before planting. They grow very fast and can usually be harvested in late autumn or early spring.

Platycodon grandiflorum planting methods and key points

1. Site selection and land preparation: Select sunny, thick soil sloping land or flat land with strong drainage capacity for planting, deep ploughing, ploughing depth of more than 30cm, and apply sufficient base fertilizer in combination with land preparation, 5000kg of soil and miscellaneous fertilizer, 25kg of urea, 30kg of diamine, and 20kg of potassium sulfate per mu.

2. Select seeds: Choose 2-year-old Platycodon seeds for planting. The 2-year-old seeds are large and full, and darker in color. They have a higher germination rate after sowing, grow faster, and have a higher yield.

Points to note in daily management of Platycodon grandiflorum

Platycodon grandiflorum seeds will emerge 15 days after planting. At this time, we should pay attention to controlling the temperature. The temperature during the growth period of Platycodon grandiflorum should be kept at 16-25 degrees. The highest temperature during the day should not exceed 25 degrees, and it should be kept at about 10 degrees at night, otherwise it will affect the growth of Platycodon grandiflorum. In addition, during the seedling stage, Platycodon grandiflorum grows slowly, so we should avoid high temperature environment, otherwise it will cause various diseases.