The stems form in a zig-zag pattern; hence the common name. Broad, dark green foliage (looks almost like iris leaves) help differentiate...Read More this plant from T. virginiana.
The species is tolerant of poor soils, and may self-seed too freely in ideal conditions. The foliage starts to look pretty rough after flowering; it should be cut back (to the ground) after blooming to encourage new growth, and possibly a second flush of blooms in the fall.
The stems form in a zig-zag pattern; hence the common name. Broad, dark green foliage (looks almost like iris leaves) help differentiate...Read More