Before sowing, the seeds can be wrapped with gauze, soaked in water for 1 day, and then placed in the refrigerator at 0 ℃ to 3 ℃ for about 15 days.
Soak the seeds in 50 to 60 ℃ warm water, soak for about 2 to 3 hours, remove the seeds and wash them, then wrap them with gauze, soak them in warm water, put them in a warm environment for germination, keep them moist, and sow when the seeds are 60 to 70% white.
Prepare the flowerpot and nutrient soil, soak the soil before sowing, wait for about 1 hour before sowing, evenly spread the seeds on the soil, then cover with a thin layer of soil, water and put it in a warm place for curing. Wait until the seedlings grow 3 to 5 true leaves when transplanting and planting.