1. Houttuynia cordata can be picked in the Qingming Festival, that is, in April. 2. Houttuynia cordata is rich in nutrients, including vitamins, amino acids, carbohydrates, calcium, phosphorus and other essential nutrients for human body, which has certain health care effects. Houttuynia cordata can be planted all year round, and is not affected by the seasons. It is often planted in winter, spring and early summer, but the germination rate of Houttuynia cordata seeds is not high, about 20%, It is suitable for growing at 17-25 ℃, so ramets, cuttings and rhizomes
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