Tridens flavus - Purpletop tridens
Purple flowering grass, a host for skipper butterflies. A beautiful, clumping grass that has purple flowers in the late summer and early fall. Looks especially striking when planted in a group and seen from a distance.
Purpletop tridens is a larval host for a number of butterflies and moths, including skipper butterflies such as the Crossline Skipper and Broad-winged Skipper.
Height: 4-5 ft
Sun: Sun to part shade
Water: Medium to dry
Bloom color: Purple
Bloom time: August, September, October