夏天气候炎热，雨量增多，既有利于盆花生长，也带来一些不利因素。在这段时间，要使花木安全度夏，需认真加以管护，切实做好以下几方面的工作：一、修根换土。久未换土的盆花在盛夏往往死得多。因老根盘结在盆内，土壤少，不通气，难渗水，水浇入盆内很快都流到盆外，在高温 Summer hot weather, increased rainfall, both conducive to the growth of potted plants, but also bring some unfavorable factors. In this period of time, to make the summer and summer flowers safe, careful management and care must be taken to effectively carry out the following tasks: First, root repair and soil replacement. Potted flowers that have not changed for a long time often die much in midsummer. Due to the old root disk in the basin, less soil, no ventilation, difficult seepage, water poured into the basin soon flow to the basin, at high temperatures