How to grow Platycodon grandiflorum

Platycodon grandiflorum flower has a very high ornamental value, the petals are relatively large, and the root system can be used as medicine. Many people will plant Campanulus grandiflorum. Let's take a look at how to grow Platycodon grandiflorum.

1. Seed collection

The seeds of Platycodon grandiflorum can generally be collected from September to October. The seeds of Platycodon grandiflorum can be collected and stored in a ventilated and dry place. Generally, the seed germination ability of Platycodon grandiflorum can be maintained for 6 months, or about 8 months. Therefore, the seed storage time of Platycodon grandiflorum can not exceed this time, which will reduce the germination rate.

two。 Seed soaking

Before planting, Platycodon grandiflorum seeds need to be soaked in 30 ℃ warm water, soaking time is about 8 hours, and should be wrapped with wet cloth, placed in a place of 25: 30 ℃, and covered with wet hemp slices for budding. In addition, it is recommended to rinse and filter once a day with warm water for about 5 consecutive days, the seeds can be germinated and planted.

3. Seedbed selection

If it is home sowing, then florists should prepare the soil and flowerpots in advance, and put the soil into the flowerpots, while adding a small amount of base fertilizer. When planting Platycodon grandiflorum flower seedling bed, we should generally choose sandy loam land with sufficient sunshine, deep soil layer and good drainage. After selecting the land, apply soil miscellaneous fertilizer or circle fertilizer 3000kg per mu, add superphosphate and cake fertilizer each 50kg or diammonium phosphate 15kg, spread evenly in the ground, deeply plough the soil 35cm, level and rake fine, make a 1m wide flat border, and the length depends on the topography.

4. Sowing mode

Platycodon grandiflorum flower sowing method is simple, soaked seeds directly into the flowerpot, after planting, pour enough water, and then put the flowerpot in a cool and ventilated place, generally about 20 days after sowing will germinate.

5. Maintenance

Platycodon grandiflorum seeds usually germinate about 15 to 20 days after sowing, and later ones do not germinate until 30 days. Be patient, don't give up on them, and keep them humid until they sprout. After germination, there is no need to cover the lid, you can scatter the light, but do not expose yourself, because the newly sprouted seedlings are very fragile, and it is easy to dry the Platycodon grandiflorum seedlings to death.

Platycodon grandiflorum was said to be relatively delicate when it was first sown, so we should take good care of it.