一品红喜湿润的基质,能耐一定程度的缺水。水分过多,枝条会柔软细嫩、徒长,叶片变薄,转色期延长,抗病力明显降低,严重时根系死亡;水分缺乏时,往往叶片变小,严重的发生萎蔫,下部叶片发黄甚至脱落。很难具体说明一品红所需的水分及浇水频率。植株大小、活力度、栽培地气候和环境、管理水平和灌溉类型都会影响水分供应。大多数生产者必须通过经验和实际情况来确定浇水时间和频率。它能够忍受轻微萎蔫,过度萎蔫往 Poinsettia hi wet matrix, resistant to a certain degree of water shortage. Excessive water, branches will be soft and delicate, leggy, leaf thinning, color conversion period is extended, significantly reduced disease resistance, severe root death; lack of water, the leaves tend to become smaller, severe wilting, the lower leaves yellow or even Off. It is difficult to specify the required water and watering frequency for poinsettia. Plant size, vigor, climate and environment in cultivation, management level and type of irrigation all affect the water supply. Most producers must determine the time and frequency of watering based on experience and actual conditions. It can tolerate a slight wilting, excessive wilting toward