冷水花怎么养
冷水花怎么养,冷水花又名白雪草,花叶荨麻,为荨麻科冷水花属多年生草本。它地下根状茎横生,株高30~50厘米,地上茎肉质半透明,节间膨大,多分枝。叶对生,卵形状,叶端突尖,三条主脉十分明显,脉问有银白色纵向条纹,叶脉凹陷,叶片略带皱褶,叶背淡绿色。
冷水花适应性强,喜温暖湿润和明亮光照。不耐寒,较耐阴,生长适温为15~25℃,冬季温度不低于5℃。对光照反应较敏感,在强光下曝晒,叶片变小,叶色不鲜艳;若光照过弱时,节间变长,茎秆柔软,从而使植株变得散乱,在散射光充足之处,叶色绿白分明,节间短而紧凑,叶面透亮具光泽。
冷水花的繁殖,一般都用扦插,在春秋时剪取枝梢部分,插穗长8~10厘米,剪除基部的叶片。扦插后10天左右可生根,成活率极高。冷水花盆栽后生长较快,肥水必须充足供给,夏天除每天浇水外,对叶面还要经常喷水。每隔半月施1次0.3%磷酸二氢钾溶液。
冬季需充足阳光,适当减少浇水。生长期间应经常摘心,当苗高15厘米时,就开始摘心,以促发侧枝并保持低矮而丰满的株形。夏秋季植株生长过高时,即进行截顶,保持株形繁茂紧凑。第二年春季对老株再进行短截,仅留茎秆基部两节,半月后从秆基上会重新萌发出新枝叶,以上就是关于冷水花怎么养的介绍。
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