1、 Breeding environment

1. Soil: loose and slightly acidic soil rich in organic matter shall be used as far as possible to raise Primula europaea

2. Watering: water it properly without ponding. The temperature is relatively high in spring and summer. Ensure that the soil is wet. Water it less in winter. Generally, water it once every 3-5 days. There can be no ponding in the basin soil to avoid root rot

3. Light: Eucalyptus is not resistant to high temperature. Don't let it receive light for a long time, especially in summer. Take shade measures in spring and autumn when the light is strong. You can accept all day light in winter

4. Fertilization: if you don't want to keep the seed, you don't need to apply fertilizer after flowering. Don't apply too much nitrogen fertilizer at ordinary times, which is easy to increase the leaves. When applying fertilizer, you should pay attention not to apply fertilizer on the leaves, which is easy to scorch the leaves

2、 Breeding method

Sowing and reproduction: it is best to sow the seeds in June to July. After sowing, the seeds can be covered with soil without covering the soil. If the seeds are not visible, the seeds will germinate in about 15 days under the growth environment of 15-20 ℃

3、 Common diseases and insect pests

During its growth, it is easy to fall ill, and the seedlings may die. It is necessary to spray chemicals in time. If it has been ill, dikesongyuan powder can be applied to the soil, which can be well controlled