As you might guess, the rush, or Juncus species, became choice plants. A couple years later, Proven Winners started entering Blue Mohawk, a variety of Juncus inflexus in trials.

Sedges (Carex species) and rushes (Juncus species) for sun Yerba buena (Clinopidium douglasii) for part-shade Deep-rooted, larger grasses to anchor: Deer grass (Muhlenbergia patens) ...

As you might guess, the rush, or Juncus species, became choice plants. A couple years later, Proven Winners started entering Blue Mohawk, a variety of Juncus inflexus in trials.