1、 Plant introduction

Platycodon grandiflorum is a perennial herb of Platycodon grandiflorum in Platycodon family. Its height is between 20-120 cm. It has no hair on the surface and almost no branches, only a little on the upper part. The leaves are whorled or alternate, and the petiole is very short. Some even have no petiole, and the shape is oval. The flowers are usually terminal, and several are arranged like racemes, mostly blue, purple or white. It blooms from July to September every year, and then bears spherical capsules.

2、 Growth habit

Platycodon grandiflorum likes cool climate, has strong cold resistance and likes light. It is common in the hills below 1100 meters above sea level. Its seed life is about one year. If the temperature is low, it can continue to extend. And low temperature helps to improve its germination rate, which is generally about 70%. When the temperature is appropriate, the seedlings can emerge in about 15 days.

3、 Curing method

1. Soil: Platycodon grandiflorum is suitable to grow in sandy soil. Good drainage can avoid root flooding. Adding a certain amount of phosphorus and potassium fertilizer to the soil as base fertilizer is conducive to plant development.

2. Light: Platycodon grandiflorum likes light. Generally, it should be planted in the sunny place. Indoor potted plants should be placed on the balcony to fully receive light. If the environment is dark, the plant is easy to grow in vain and affect its flowering.

3. Watering: Platycodon grandiflorum is afraid of waterlogging. You must not water too much. Generally, in spring and autumn, watering every 3-4 days is enough, and once every 1-2 days in summer. Keep dry in winter. In case of rainy weather, drainage shall be done well.

4. Fertilization: proper fertilization is required during the flowering period of Platycodon grandiflorum. Because its flowering period is very long, it needs to supplement nutrients in time, otherwise it is easy to wither early and affect its viewing. Moreover, full fertilization is also conducive to fruit development.

4、 Picture