huamucongshiwaiyizhishinei，youyuhuanjingdebianhuakendinghuiyoubushi，zheizhongbushidezhijiehouguojiushichuxianhuangyexianxiang。neime，ruhecainengfangzhizheizhonghuangyexianxiangdefashengle。bizhetongguofanfushiyan，yingcongyixiawugefangmianzheshou：
yi、kongzhijiaoshui。huapenrufanghou，youyukongjianburushiwaikaikuo，huapenjizhizhubiaomiandeshuifenzhengtengliangyousuojiangdi。ruguocishihaixiangyuanlaineiyangjiaoshui，huiyinpentupianshizaochenglangen，zhishiyepianfahuang。
er、jianshaoshifei。huahuirufanghou，qiwenshangshenghuishitamenjinrushengzhangxunsudejieduan。dantamenduifeiliaodexishouliangburuxiaji，guyaojianshaohuotingzhizhuifei，yifangzhizhuhuangye。
san、diaozhengguangzhao。yixiexingxiqiangguangdehuahui，liruyueji、fusangdengzairufanghouruofangdaoyinbizhichu，zhizhuduochuxianhuangye。xiangfan，jiangxingxiyinbideniaochaojue、guibeizhufangzaiguangzhaojiaoqiangchuyehuizaochengyepianshilvfanhuang。rufanghuahuibaifangdidianyeyingdiaozhengheli。
si、huanjingtongfeng。huanjingyubi，yixizaikongqizhonghanliangzhujianzengjia，zheishi，henduoduiyixibijiaomingandehuahuihuiyinshuailaoerhuangye。suoyi，jingchangbaochitongfenglianghaoshifangzhishineihuahuihuangyedeyouxiaocuoshizhiyi。
五、保持适温。由于环境温度不适，很多花卉也会黄叶，特别在花卉入房前后温差较大的情况下更是如此。如果室外最低气温为5℃时，将米兰、杜鹃移至温室，由于不注意降温，白天环境温度上升到25℃时，则植株很快就会出现黄叶，此种情况也需加以预防。
