Abstract: An artificial-flower-forming ribbon comprises a pair of strips overlapping each other, and at least one string placed between and along both strips. Both strips are joined together at a plurality of joint portions placed at opposite sides of the string and also on a plurality of lines spaced apart from each other in the longitudinal direction of both strings. The string is joined at its one end to one ends of both strips. A pair of adjoining lines are parallel to two equilateral sides of an isosceles triangle where a segment parallel to a longitudinal center line of both strips is defined as the base. Both strips have a pair of notches provided at opposite sides of each line to be respectively open to opposite side edges of both strips, and substantially confronting each other in the transverse direction of both strips.