Nassella tenuissima
Nassella tenuissima
Mexican Feather Grass
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Description
Nassella tenuissima, commonly known as Mexican Feather Grass, is a graceful and delicate perennial grass native to the southwestern United States and Mexico. Its fine, wispy leaves sway beautifully in the breeze, adding a soft texture to gardens and landscapes. This low-maintenance plant is drought-tolerant and thrives in well-drained soils, making it an excellent choice for xeriscaping or ornamental gardens.
Common Names
Mexican Feather GrassNassellaSilky Thread Grass
Context
nativeRegion
Southwestern United States and Mexico
usdaZones
5-9
companionPlants
Lavender, Sage, Agave
culturalUses
Used in ornamental landscaping, erosion control, and as a drought-tolerant plant.
Care
Care Requirements
LightFull sun to partial shade
WateringModerate; drought-tolerant once established
SoilWell-drained, sandy or loamy soil
FertilizerMinimal; apply a balanced fertilizer in spring if needed
HumidityLow to moderate
TemperatureTolerates a wide range; prefers warm temperatures
Growth & Life Cycle
HabitClumping, upright
Mature Size2-3 feet tall
Growth RateModerate
BloomingProduces flower spikes in late spring to early summer
DormancySemi-evergreen; can go dormant in extreme cold
Propagation
MethodsSeeds, Divisions
DifficultyEasy
Best SeasonSpring
Maintenance & Notes
PruningCut back in late fall or early spring to promote new growth
RepottingNot typically necessary; grows well in-ground
Pests & DiseasesGenerally pest-free; may occasionally attract aphids
ToxicityNon-toxic to humans and pets