Xanthisma coloradoense (syn. Aster coloradoensis, Machaeranthera coloradoensis) is a species of flowering plant in the family Asteraceae known by the common name Colorado tansyaster. It is native to Colorado and Wyoming in the United States.

This cushion plant is a perennial grows up to 14 centimeters tall, with several to many thick, hairy stems. The flowers are pink or purple.

This plant grows in mountains, often in an alpine climate. It grows in open areas, where there is often little vegetative cover and the terrain is rocky.

Type: Hardy perennial

Hardiness zones: 4-9

Height: 15cm, 6"

Location: Sun

Seeds per packet: 5