观赏向日葵为菊科向日葵属一年生草本植物,原产北美。因圆盘花序可随着太阳的转动而转向,故名向日葵,又叫日回、朝阳花和葵花等。观赏向日葵株形婆娑,枝叶茂密,花朵硕大,鲜艳夺目,可以作为盆花、切花和地栽花卉应用。繁殖育苗主要用播种繁殖,根据需要全年均可播种。因用途不同而采用苗床育苗、大田直播和穴盘播种育苗等方法。作切花栽培生产时常用穴盘播种育苗。 Ornamental sunflower Asteraceae sunflower is an annual herb, native to North America. Because of the inflorescence can be turned with the rotation of the sun, hence the name sunflower, also known as day back, sunflowers and sunflowers and so on. Ornamental sunflower shape whirling, dense foliage, huge flowers, colorful, can be used as potted plants, cut flowers and plants planted flowers. Breeding nursery breeding mainly with sowing, according to the need for planting throughout the year. Due to different uses seedbed nursery, field broadcast and seeding seedlings and other methods. For cut flowers cultivation commonly used seedling planting seedlings.