A Chrysanthemum plant named Dark Triumph particularly characterized by its flat capitulum form; decorative capitulum type; bronze ray floret color with a darker center of the flower creating a two- tone effect; diameter across face of capitulum of 64 to 70 mm. when fully opened; spreading and prolific branching pattern, with 6 to 9 breaks after pinch when grown outside under natural daylength in fall flowerings, and 6 to 8 breaks after pinch when grown in 10 cm. pots for spring flowerings; natural season flowering date of August 22 when planting rooted cuttings June 23 in Salinas, Calif., and September 28 to 29 when planting rooted cuttings June 15 in Hightstown, N.J.; flowering response of 43 to 46 days after rooting in no light/no shade programs in spring; plant height of 23 to 30 cm. when grown in fall under natural daylength with no growth regulators, and 18 to 20 cm. when grown in 10 cm. pots in spring with 0 to 1 applications of 2500 ppm B-9 SP; and durable, uniform performance.
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