灌木是指那些没有明显的主干、呈丛生状态的树木,一般可分为观花、观果、观枝干等几类,修剪不得法,会使它们不成形,或不开花,甚至枯枝干杈。修剪时必须针对不同的观赏目的,分别采用不同的方法。修剪以观花为主的灌木,首先要熟悉不同开花灌木的开花习性。北方灌木大都在早春和夏季两个时期开花,早春开花的灌木有连翘、迎春、黄刺梅、丁香、榆叶梅、樱花等,它们的花芽是在前一年枝条上形成的,因此修剪多在五六月开花过后进行。如果冬春修剪,就会剪掉许多花芽。若修剪过晚,这些不该有的花芽会消耗掉许多养分,从而影响开花的质量和数量。花后修剪主要以疏剪整型为主,剪去过密 Shrubs are those trees that have no obvious trunk and are in a state of being tufted. Generally, they can be divided into several categories such as ornamental flowers, ornamental fruits and ornamental branches. Pruning can not be carried out and will not form or flowering or even dry branches branches of a tree. Pruning must be for different viewing purposes, respectively, using different methods. Pruning flower-dominated shrubs, first of all be familiar with the flowering habits of different flowering shrubs. Most northern shrubs flowering in both early spring and summer, early spring flowering shrubs forsythia, spring, yellow thorn plum, clove, flowering plum, cherry and so on, their flower buds were formed in the previous year branches, so pruning More in May and June after the flowering. If the winter and spring pruning, it will cut off many flower buds. If pruning is too late, these unwanted flower buds will consume a lot of nutrients, thus affecting the quality and quantity of flowering. Pruning after pruning mainly sparse integer, cut off too close