Skip to content
Grass · Poaceae Draft — unreviewed

Mexican feather grass

Nassella tenuissima (Trin.) Barkworth

Synonyms: Stipa tenuissima.

Hair-fine grass that ripples in the slightest breeze, turning blond in summer. Native to New Mexico.

Size over time

Typical landscape size 0.3–0.6 m (1–2 ft) tall and 0.3–0.5 m (1 ft) wide; fast growth, about 2 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.45) from the #1 install size.

00.511.52mPlanting0.3 × 0.3 mYear 30.4 × 0.3 mYear 100.4 × 0.4 mMature0.4 × 0.4 m

Design notes

  • Reseeds heavily and is invasive outside its native range in some western states; use with care near natural areas.
  • Comb out dead blades in late winter rather than cutting hard.

Regions

Native range: New Mexico, west Texas, Mexico and Argentina.

Native to these OpenLandscape3D pilot regions:

Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.

Related plants

Plan with Mexican feather grass

Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.