Datura Brugmansia Seeds - 50 Seeds - Blue Sowing: First, soak the seeds in warm water for 4-6 hours or treat them with sulphuric acid. After sowing, cover the soil about 1 cm. Keep the soil warm and humid. After 5-6 days, germinate. Two of the leaves can be transplanted and the plant distance is 30 cm. Suitable temperature for germination: sowing time at 20-25 day‚ spring and summer; Suitable temperature for growth: flowering period at 22-34 day‚ summer and Autumn Planting: Need to choose the soil fluffy, good drainage. Watering: When the soil surface is slightly dry, it should be watered.