1 Nine-story pagoda, also known as basil, is usually planted in March ~ April, and seeds are sown by drilling, and then covered with a thin layer of soil to make it permeable. When the seedlings grow to about 10 cm after germination, they need proper thinning and weed removal in the field. It is necessary to pay attention to the time when harvesting the nine-story tower, otherwise it will affect the quality of the nine-story tower. It can be harvested gradually around July and completed before August.

2. Nine-story towers are generally planted and propagated, which can be planted in March and April in the southern region, and should be appropriately delayed until the end of April to the beginning of May in the northern region. Sow the seeds in strips, with an interval of about 30 cm. Sow the seeds at a distance of 15 cm, then cover with a thin layer of soil, and wet the soil after sowing.