北方人也非常喜爱“原籍”南方的桂花,但因不能在室外露地越冬,只能盆栽,室内(含塑料日光温室,下同)管理,是个难题。一般资料都介绍,养植桂花多要求低温冷凉的环境,以保持植株休眠。这一点在实际中很难做到。因为北方冬季供暖,室温远高于桂花休眠的临界温度。人工开窗降温,工作量太大,对热力资源也是个浪 Northerners are also very fond of “origin ” sweet-scented osmanthus flowers in the south, but because they can not open-air outdoor winter, only potted plants, indoor (including plastic solar greenhouse, the same below) management is a problem. General information are introduced, raising more sweet-scented osmanthus requires cold and cool environment, in order to maintain plant dormancy. This is difficult to do in practice. Because the northern winter heating, room temperature is much higher than the critical temperature of osmanthus dormancy. Manual window cooling, the workload is too large, the heat resources is a wave