1. Soil: it needs to use neutral or weak acid soil with high humus content and good air permeability. Do not use loam with heavy viscosity and poor air permeability.
2. Sunshine: it needs sufficient sunshine, so it can be more sunny at ordinary times, but avoid direct sunlight.
3. Temperature: primrose is more sensitive to temperature. It likes cool environment. About 10 ℃ is a good temperature environment for primrose to grow normally. Below zero, it will stop growing. Above 30 ℃, it will cause dormancy.
4. Water content: primrose has high requirements for water supply. Generally speaking, in the process of maintenance, we need to keep the soil moist as long as there is no water.
5. Fertilization: because of the great demand for water, the amount of fertilizer needed is also relatively large. In the maintenance process, we can apply a thin and comprehensive fertilizer water to it once a week to meet its demand.
After it blooms, there are usually a small number of flowers left on the branches. They are not only not beautiful, but also affect the ornamental of the plant, and consume the nutrients of the plant. So we need to cut them off, promote the growth of the root, and make it grow better.
1. Symptoms of leaf spot: there are small yellow brown spots on the leaves, and there are yellow halos around the spots.
Methods: spray 53.8% of the suspension to kill 1000 times in the early stage of the disease.
2. Symptoms of coccidia: adult, if you rush to suck the juice of stem and leaf
Methods: when there are few insects, they can be removed manually. When there are many insects, they need to be sprayed with insecticides.
