杜鹃花属于半阴性植物,性喜凉爽、半阴,忌烈日高温;喜湿润,忌干燥;喜酸性土,忌碱性;喜排水良好,忌积水。而我国北方地区,春季干燥,夏季高温炎热,同时土壤多偏碱性,地下水多含有盐碱。杜鹃长期生长在这种环境条件下很不适应,往往生长不良,花小叶黄,枝梢干缩以致整株枯死。北方栽培杜鹃,应尽量创造适合其生长发育 Rhododendron is a semi-negative plants, sexual hi cool, half-Yin, bogey hot day; hi moist, avoid dry; hi acidic soil, avoid alkaline; hi drainage well, avoid water. In the northern part of our country, the spring is dry and the hot summer is hot. At the same time, the soil is more alkaline and the groundwater contains more salinization. Rhododendron long-term growth in this environment is not suited to the environment, often poor growth, flower leaf yellow, stem shrinkage so that the whole plant died. Northern cuckoo cultivation, should try to create suitable for its growth and development