紫薇在自然生长的条件下,开花不多、花次也少。紫薇盆景通过人工培育,树桩生长茂盛,如果采用轮次修剪技术,促使新枝条不断萌发,就能使紫薇盆景增加开花次数,提高观赏价值。 紫薇盆景在冬季要进行一次强度修剪,来年春季4月上旬开始萌芽,萌芽后生长较快,到5月上旬新梢长达15厘米左右,这时对新梢进行一次修剪(摘心),保留新枝8厘米左右,上部全部剪除,促使它在顶端长出双权枝(为以后轮次开花做预备枝)对其他 Crape myrtle in the conditions of natural growth, flowering small, spend less. Lagerstroemia bonsai by artificial cultivation, stump lush growth, if the use of round pruning techniques to promote new branches continue to germinate, we can increase the number of flowering bonsai Ziwei, improve ornamental value. Ziwei bonsai in the winter to conduct an intensive pruning, the spring of next year the beginning of April germination, germination rapid growth to the early May new shoots up to about 15 cm, then the shoot a pruning (topping), to retain the new branch 8 cm or so, the upper part of all cut off, prompting it to grow in the top of the dual right branches (for the next round of flowering to do preparatory branch) to the other