1. Soil: Geranium does not have high requirements for soil, but it likes sandy loam rich in humus.
2. Water: water properly. Spring and autumn is the peak period of growth. Therefore, sufficient water should be ensured, but there should be no ponding. When the weather is not good, water should not be used. When it is rainy season, drainage measures should be taken, and it should be placed in a ventilated place. In winter, water less, if the temperature is high, water more.
3. Fertilizing: fertilizing once every 10-15 days in the growth season, and once every 7-10 days in spring and autumn. If the temperature is high in winter, fertilizing can be done properly, and if the temperature is high in summer, it is better not to fertilize when it will enter into a semi dormant state. Before flower bud, fertilizing with nitrogen and then mainly with phosphorus and potassium.
4. Light: sufficient sunlight is conducive to its better growth, but in the hot summer, it should be appropriate for a period of shade, spring and autumn and winter festival can be directly placed in the place where the sun shines; when the light is not enough, it will affect its flowering, and when flowering, it should avoid being exposed to strong light.
1. Sowing and propagation: seeds can be sown after collection. If you want to sow when the weather is cool, you can dry and store the seeds first. They will germinate in about 7-10 days when the temperature is 20 ℃.
2. Cuttage Propagation: the best cuttage in spring and autumn is to select healthy cuttings, and then soak them in indobutyric acid for about 5 seconds to dry them. When they wilt, they will be cutted, watered to avoid being exposed to strong light, and take root 2-3 weeks later.
Common diseases and insect pests include mosaic, root rot, moths, caterpillars, white mosquitoes, etc. it is very important to prevent mosaic and kill aphids, but also to remove nearby parasitic plants; moths can be sprayed with trichlorfon.