太阳花很容易扦插繁殖,而且除冬季外都可进行。但在各季中,其最适宜的扦插时间还是有讲究的。春季宜在冬末春初,霜雪过后的温暖时节扦插。这时雨水较多,气候温湿,很适宜太阳花生长。但插后需用竹蔑、塑料薄膜搭拱棚盖上,定时揭开,防止雨水过多,造成插穗腐烂。夏季宜在雨期扦插,这时阳光强烈,气温高,如露天扦插,极易因地温过高造成插穗腐烂,而多 Sunflowers are easy cuttings and can be made except in winter. But in each season, the most appropriate cutting time is still stress. Spring should be in late winter and early spring, warm season after the frost cuttings. At this time more rain, warm climate, it is suitable for sunflower growth. However, after insertion need bamboo contempt, plastic film Gongding shed cover, opened at regular intervals to prevent excessive rain, causing cuttings decay. Summer should cuttings in the rain, when the sun is strong, high temperatures, such as open cuttings, easily lead to decay due to high ground temperature cuttings, and more