Sowing form mid-April to the early July in the seedbed. After 2-3 weeks after planting require to freeze in the refrigerator for 3-6 weeks. Keep out of the sun. Small seedlings propagate twice and sow in the autumn  in September or in April next year. It likes fertile soil, medium moist, rich in humus. Sunnyposition or partial shade. Blooms every year April-June. Creates baldachins of small, fragrant, funnel-shaped flowers over lanceolate, light green leaves. They can also be grown in pots as annual plants.