Purple Threeawn (Aristida purpurea) is a hardy Texas native grass with fine foliage and distinctive, three-pronged seed heads that add texture and movement to the landscape. Its drought tolerance makes it well suited for dry, sunny gardens, while its foliage provides food for the caterpillars of certain butterflies.

Scientific Name: Aristida purpurea

Origin: Native to Texas and northern Mexico

Height: 1 to 2 feet

Spread: 1 to 2 feet

Light: Full Sun

Water: Low

USDA Zones: 6 - 9

Bloom Dates: April - October

Bloom Color: Purple