What kind of plant is this, how to raise it, and how to spend the winter outside in Anyang?

Sanseviria trifasciata Prain (Latin name: Sanseviria trifasciata Prain), also known as Eupatorium odoratum and Eupatorium adenophorum, is a perennial evergreen herb of Eupatorium odoratum in Liliaceae, with creeping rhizomes and no stems. The height of the plant can reach about 1 m, the leaves are upright, the leaves are thick and leathery, and there are irregular dark green cloud stripes on both sides, so it is named after the tiger tail. With transverse rhizomes. The leaves are basal, often clustered in 1 ~ 2, 3 ~ 6 clusters, erect, hard leathery and flat, but flowers are often not seen in home cultivation, mainly for appreciating leaves.