山东省最东端的荣成市,年平均气温11.4℃,极端低温—16.5℃,降水量788毫米,无霜期214天,土壤pH值5.5—6.5。80年代以来,城市绿化使用杜鹃作花篱,布置花坛,花境或丛植于草坪上,效果甚好。近年,青岛、烟台、威海、大连等地,也都开始使用杜鹃作露地绿化 Rongcheng City, Shandong Province, the easternmost point, the average annual temperature of 11.4 ℃, extreme low temperature -16.5 ℃, precipitation 788 mm, frost-free period of 214 days, soil pH value 5.5-6.5. Since the 1980s, urban afforestation cuckoo as a flower fence, arranging flower beds , Flower border or Cong planted on the lawn, the effect is very good. In recent years, Qingdao, Yantai, Weihai, Dalian and other places, have also begun to use cuckoo for greening