Platycodon grandiflorum, also known as talinum, platycodon grandiflorum and Baiyao, is a perennial herb with milky white color.

Platycodon grandiflorum is mainly flat, bitter and fishy, belonging to lung meridian, so it has the effects of dispersing lung and resolving phlegm, relieving sore throat and expelling pus. It is a kind of medicine for resolving phlegm, relieving cough and relieving asthma, and is often used to clear heat and resolve phlegm. It is often used to form compound preparations for clinical use. For example, compound platycodon grandiflorum tablets can also be used for analgesia and sedation.

Platycodon grandiflorum, also known as Bao Hua, Bellflower and Mulberry Flower, is a perennial herb with a stem height of 20 ~ 120 cm, usually hairless, with occasional short hair, no branching and few branches on the upper part. All leaves are whorled, some are whorled to all alternate, sessile or with extremely short stalks, the leaves are ovoid, ovoid to lanceolate, the leaves are ovoid or ovoid-lanceolate, and the flowers are dark blue or deep purple, which can be used as ornamental flowers; Its root can be used as medicine, which has the functions of relieving cough, resolving phlegm, dispersing lung qi and expelling pus, and is commonly used in traditional Chinese medicine.

A single flower is terminal, or several flowers are integrated into a false raceme, or inflorescence branches are integrated into a panicle; Calyx bell-shaped with five lobes, covered with white powder, lobes triangular, or narrowly triangular, sometimes toothed; Corolla is large, 1.5 ~ 4.0 cm long, blue, purple or white.

I like cool climate, cold resistance and sunshine. Suitable for planting in hilly areas below 1 100 meters above sea level and sandy loam in half sunshine. Neutral sandy soil rich in phosphorus and potassium fertilizer grows well, and the seed life is 1 year, which can be prolonged by low temperature storage.