含笑是我国南方花木,性喜温暖。北方栽培要在室内越冬,其护养管理要注意以下几方面: 一、温度含笑原产亚热带,越冬的最低气温不能低于5℃,否则它的正常生理活动将受到影响,根的吸收能力衰退,使植株的嫩枝与叶片萎蔫。最高温度不能超过15℃,温度过高,养分消耗就多,易出现徒长,对来年生长不利。所以室温在5℃—15℃间最好。二、湿度含笑需要比较湿润的环境,干燥的空气不利于它的生 Smile is China’s southern flowers, warm sex. North cultivation to winter indoors, its conservation management should pay attention to the following aspects: First, the temperature of laughter Subtropical origin, the minimum temperature of winter can not be less than 5 ℃, or its normal physiological activity will be affected, the root’s absorption capacity decline, Twigs and leaves of plants wilted. The maximum temperature can not exceed 15 ℃, the temperature is too high, more nutrients consumption, easy to appear leggy, negative growth in the coming year. So at room temperature between 5 ℃ -15 ℃ best. Second, the humidity smile needs a more humid environment, dry air is not conducive to its health