矮牵牛一般都是在春夏秋季开花的。但如采用科学方法,冬季也能使它花放如春。笔者对此做了成功的尝试,方法是: 于10月上旬入房前,将矮牵牛全株重剪,每枝保2——3个芽眼(切忌剪得过重,否则不易萌芽以至“闷死”),待所留芽眼萌发后进行翻盆,除去包裹土球的须根和外围约1/3旧土,然后用排水良好且富含磷钾肥的培养土,重新植入口径为 Petunias are generally blooming in the spring, summer and autumn. However, if the scientific method is used, it can also be used as a spring flower in winter. The author made a successful attempt, the method is: in early October before entering the room, the whole plant petunia heavy cut, each Paul Paul 2-3 eyes (avoid cutting too heavy, or not easy to sprout and even “ Suffocated ”), until the bud germination germination turn the basin, remove the soil wrapped around the fibrous roots and the outer circumference of about 1/3 of the old soil, and then with good drainage and rich in phosphorus and potassium culture soil, replantation caliber