大丽花又名大理花、天竺牡丹、大丽菊、洋芋花,属菊科大丽花属多年生肉质块根草本花卉。在伊犁河谷引种栽培已有近百年的历史,现有的主栽园艺品种,主要为内地引进品种和本地乡土品种。一、生物学特性大丽花既不耐寒又畏酷暑,且喜干燥凉爽、阳光充足、通风良好的环境,每年需有一段低温时期进行休眠。土壤以富含腐殖质和排水良好的沙壤土为宜。 Dahlia, also known as Dali flower, Tianzhu Peony, Dahlia, aster flower, is an Asteraceae Dahlia perennial fleshy root herb flowers. Introduction and cultivation in the Ili Valley has been nearly a hundred years of history, the existing main horticultural varieties, mainly for the introduction of varieties and local varieties of native land. First, the biological characteristics of dahlia neither hardy and fear of heat, and like dry and cool, sunny, well-ventilated environment, need to have a period of hypothermia each year to sleep. Soil is rich in humus and well drained sandy loam is appropriate.