我国北方地区早春季节气候寒冷,气温偏低,干旱多风、少雨,有的年份还出现倒春寒现象。现用于园林绿化栽培的花卉品种少,常用于绿化的草本花卉多数不能适应外界寒冷条件,需要温室育苗,待气候转暖后才移植到花坛、绿地,所以早春时节的园林绿化空白期长,而且费工、费时、费力。而野生花卉资源丰富,品种繁多,耐寒耐旱,适合 In northern China, the early spring has a cold climate, low temperatures, arid, windy and rainy weather, and in some years there is also a phenomenon of late-spring coldness. Now used for landscaping and cultivation of small varieties of flowers, commonly used in greening most of the herbal flowers can not adapt to the external cold conditions, the need for greenhouse nursery until the climate warmer transplanted to the flower beds, green space, so early spring season landscaping blank long, And labor, time-consuming, laborious. The wild flowers rich in resources, variety, cold and drought, suitable