13 roses symbolize life and roses symbolize love, so 13 roses mean that I only love you all my life. You can send 13 roses to girls you like as a confession of love on Valentine's Day. Rosa, a woody plant of Rosaceae, has thick stems and clumps; Branchlets densely linear, prickly; Leaves ovate or elliptic, with pointed pot teeth; Pedicel with villi and glandular hairs, petals purple or white, fragrant, obovate; When the fruit is ripe, it is oblate and brick red; Flowering in May-June; Result period: August-September. The name of rose comes from Shuowen: "Rose, the beauty of stone, the pearl of rose." It means that "rose" is the most beautiful jade and "rose" is the most beautiful jewelry, so it is called "rose" and "rose".
Roses are native to China, North China, Japan and South Korea, and are distributed in other provinces and regions of China except Inner Mongolia, Xinjiang, Qinghai and Tibet, and also in the cold temperate to subtropical regions of Asia, Europe, North America and North Africa all over the world. Roses like sunny, cold-resistant and drought-tolerant, and like loose and fertile loam with good drainage. The propagation methods of roses mainly include ramet propagation and cutting propagation.