Geranium likes cool, 10-15 degrees Celsius in winter every day, night temperature 8 degrees Celsius, that is the normal flowering. However, the optimum temperature is 15-20 degrees Celsius, geraniums do not like big fat, too much fertilizer causes excessive growth of unfavorable flowering geranium, spring and autumn can be carried out in spring indoor pots broadcast as well. Germination optimum temperature of 20-25 degrees Celsius. After sowing casing not deep, about 5-7 days to germinate. Autumn, summer can bloom the second year. By seed propagation of seedlings, can be an excellent intermediate breeding varieties.