1、 What kind of soil do you like

The soil in which Catharanthus roseus likes to be cultivated can be cultivated as long as it is not particularly barren saline alkali land and cohesive soil. Because the vitality of Catharanthus roseus is very tenacious and has high adaptability. However, it is better to provide it with a relatively fertile soil for maintenance. Generally, rotten leaf soil, peat soil, sand and garden soil can be used after mixing

2、 Soil hardening

1. Cause of hardening: as Catharanthus roseus is an alkaline flower, it is easy to cause soil hardening, so we need to loosen the soil often. Otherwise, it is likely that the soil will agglomerate and the watering and fertilization will not enter the soil, so that the root system of the plant has no nutrition, resulting in poor growth of the plant. In serious cases, it may also cause plant withering and death

2. Solution: the rice vinegar used at home can be mixed with water appropriately for irrigation, which can effectively neutralize the components of the soil and help the soil not to agglomerate, so as to make Catharanthus roseus grow more vigorously. Note that the concentration of rice vinegar should not be too high to avoid damaging the root system. It can be used 15 times with water. And when watering, it can be watered thoroughly, and must not cause water logging, so as to prevent the root system of the plant from rotting