1、 Soil

Vetiver is not suitable for growing in poorly drained soil. It is appropriate to plant in sandy soil with fertile soil, deep and loose soil layer

2、 Temperature

25 ℃ is the most suitable temperature for its growth and healthy stems and leaves. Attention should be paid to thermal insulation in winter. It can be planted in greenhouses and greenhouses, or its top can be covered with transparent film

3、 Fertilization

When it is in the fixed seedling stage and ridge closure stage, it needs to be fertilized once each. In the early spring of each year and after each harvest, topdressing is required to ensure the timely supply of nutrition

4、 Watering

It is a plant that likes temperature and humidity, so timely watering is essential. But it should not be too much. Keep the frequency of 2-3 days in summer and 4-5 days in winter. When watering, the amount of water sprayed shall be controlled to prevent rotten roots

5、 Precautions

1. Attention should be paid to insect and disease prevention. Vetiver is easy to attract pests to bite, causing branches and leaves to wither or even fall off. When there are many pests in spring, the insecticides such as chlorpyrifos can be used for control

2. Flowers should be removed in time. Due to the large number of flowers, little use, weak ornamental and more nutrients, the flowers should be cleaned up in time