蓝雪花只长叶子不开花，四个小窍门让它花开满盆

植物图片 2019-03-27 17:07

只有在养护不合理，生长环境不适合的情况下，才会让蓝雪花只长叶子不开花。常见的原因有光照不足、气温不当、水量不够及其严重缺肥，只要把控好这四个方面并适度的解决，就能让蓝雪花重回活力，让其花开满盆。

一、让蓝雪花开花的四个方法

1、增加水量

在蓝雪花的开花时期，对水分的需求量是比较大的，如果水分供应不足就会造成蓝雪花在花期的时候不开花，反而会将养分供给到叶子上。不管是生长期间还是开花期间，都要给蓝雪花足够的水分，还要经常给蓝雪花的叶子喷洒水雾，能够起到保湿降温的作用。

2、增强光照

如果蓝雪花在花期之前，没有受到足够的光照，那基本上是不会开花的。蓝雪花喜光，每天都需要接受4～6个小时的光照，才能正常的开花。如果长期的荫蔽，会造成蓝雪花的枝叶徒长，叶子柔弱。而且足够没有光合作用，也就没有足够的养分去开花的。

3、气温适合

如果气温不适合，蓝雪花通常也是不会开花的。最适合蓝雪花生长的气温在15～25℃之间，如果气温过低，不仅会让植株生长缓慢，还不利于蓝雪花开花。低温的环境会造成蓝雪花只长叶子不开花，所以要保持适合的气温才能正常开花。

4、适度追肥

蓝雪花开花时需要大量的养分的，如果只植株缺少磷钾肥料，要么不开花要么就是只开出很小的花朵。所以在蓝雪花的花期前，最好适度的增施磷钾肥，有了足够的营养，蓝雪花自然会开出更多漂亮的花朵。

二、蓝雪花开花的时间

蓝雪花的开花时间通常是比较固定的，大多在7～9月份之间，而南方地域通常比北方地域早15～20天开花。如果你的蓝雪花没有开花的话，也有可能是没有到花期的缘故，如果花期到了，植株也到了开花的年限，还不开花就可能是养护的问题。

如果人为的控制的话，是能够调动蓝雪花花期的，如果控制得当，甚至能够让蓝雪花一整年都处于开花的状态。最常用的方式就是摘心，每次进行摘心后，都能够让花期往后延迟两个星期。

三、蓝雪花花期的养护

1、改善土质

蓝雪花喜欢偏酸性的土壤，想要它开出更多更美的花，就需要将土壤的PH值改为偏微酸性。在浇水的时候，可以适量的加入一些硫酸亚铁溶液浇灌盆土，能够逐渐的改善盆土酸碱度。

2、花后修剪

在蓝雪花的花朵开败之后，已经没有了观赏价值，需要及时的将残花剪掉，这样能够很好的节约养分，促进新生花芽的萌发，大概在20～30天之后可以再次开花。

3、修剪老枝

蓝雪花的老枝最好不要超过两年，在花期过后的秋天，需要对蓝雪花进行强剪，将一些过老的枝条剪去，只留下当年生的健壮绿枝条，能够极大程度的节约养分，让蓝雪花萌发新的枝叶。

看完上面的内容，相信大家应该知道蓝雪花不开花的原因和解决方法了，要依据实际情况对蓝雪花进行适度的养护，有了适合的生长状态和环境，就会让蓝雪花花开满盆的。

专题： 蓝雪花
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