1. Seeds: choose suitable seeds, and then 6 hours before sowing, put them in cold water to soak for about 24 hours, and then slowly scrub them, and replace them with fresh water. After that, fish it out and wrap it with gauze, put it in the environment of 15 ℃ to germinate, and wait until the seeds start to show their white color, then you can sow the seeds.
2, seedling: planting sand bed must be loose, and drainage should be good. Its seeds are very small, often some seeds bonded together, it is difficult to separate, sowing is difficult to uniform, so can be mixed with some fine sand, mixed and then sown in, covered with a layer of thin soil, the thickness can not be more than 1cm.
3, dense planting: the first half of September, it is a good time to planting, you can reasonably dense planting, to ensure that the temperature is good, preferably in the 15-20 ℃ or so.
Second, seedling time
Its adaptability is very strong, there is not much qualification for seedling time, the South can be planted throughout the year seedling, but try to avoid the summer. The best choice in the north in the spring and fall, sowing is very suitable, July is the most suitable, when the temperature is high, conducive to sprouting, plus the humidity content in the air is high.