Clematis, also known as the “Queen of the Vines”, is an evergreen or deciduous herbaceous vine in the Ranunculaceae family. Clematis’ flowering period starts from early spring to late autumn. A few varieties can even flower in cold winter. Clematis has a high ornamental value. There are more than 300 species worldwide, widely distributed in all continents, with the northern temperate zone and subtropical regions of the northern hemisphere as the most. There are rich germplasm resources in China, about 110 species. Clematis flower shape and colour are rich.The flowers are beautiful and luxuriant. Some varieties are scented, although none are strongly perfumed. Clematis is widely used as potted plants, cut flowers, vertical greening and ground cover.
The roots of the clematis are fleshy, similar in composition to fertiliser, and exhibits a preference for moist but well-drained conditions. It thrives in slightly acidic to alkaline soil. With the exception of some evergreen clematis varieties, all are relatively hardy. Common varieties can tolerate low temperatures of -20 ~ -30 ℃, while the long petalled type of Clematis can tolerate temperatures as low as -35 ℃!