Mexican Feather Grass (Nassella tenuissima) is one of the most graceful and visually distinctive ornamental grasses available — an airy, fine-textured perennial that forms soft, fountain-like mounds of thread-thin green blades that move constantly in the slightest breeze. As summer progresses, the foliage transitions to warm gold and honey tones and produces feathery seed plumes that shimmer and ripple with the wind, creating a soft, luminous effect that no other grass replicates. Evergreen or semi-evergreen depending on climate. Hardy in zones 6–10.

Best for: Prairie-style plantings, xeriscape and drought-tolerant landscapes, sunny borders, rock gardens, mass plantings, containers, coastal gardens, and anywhere a fine-textured, movement-driven accent is needed.

Please note: Mexican Feather Grass cannot ship to Oregon (OR) due to state agricultural regulations.

Why Gardeners Choose Mexican Feather Grass

• Unmatched movement and texture: Thread-thin blades catch even the lightest breeze and create constant, fluid motion — a living, dynamic element that photographs beautifully and brings a landscape to life in a way that static plants cannot. No other ornamental grass has quite this quality at this scale.
• Three-season interest: Soft green in spring, transitioning to golden honey tones with feathery seed plumes through summer and fall — and evergreen in zones 7–10, providing year-round texture even in mild winters.
• Exceptional drought tolerance: Once established, Mexican Feather Grass thrives on minimal water — one of the most drought-tolerant ornamental grasses available and perfectly suited for xeriscape, low-water, and water-wise landscape designs.
• Naturalizes readily: Self-seeds in ideal conditions, gradually spreading to fill sunny areas with a soft, meadow-like texture. Excellent for prairie-style and naturalistic plantings where self-seeding is welcome.
• Highly versatile: Works equally well as a single specimen accent, in mass plantings, in containers, along borders, and in coastal gardens where salt air and wind are factors.
• Native and wildlife friendly: Native to North America; seed heads provide wildlife value and the fine-textured clumps provide low-level shelter for beneficial insects.

Planting & Care

• Light: Full sun. Requires at least 6 hours of direct sun for best performance — tolerates very light partial shade but may flop or look sparse in lower light.
• Soil: Well-drained soil is essential. Thrives in poor, rocky, and sandy soils — the leaner the soil, the better. Avoid heavy clay or consistently moist sites.
• Growth rate: Medium — reaches 1–2 feet tall with a similar spread within one to two seasons.
• Mature size: 1–2 feet tall; 1–2 feet wide.
• Spacing: 18–24 inches apart for individual specimens; 12–18 inches for mass plantings to achieve a full, interlocking meadow effect.
• Watering: Water regularly during the first growing season to establish. Once rooted, extremely drought-tolerant — water only during prolonged dry spells in hot climates.
• Feeding: Little to no fertilizer needed. Excess nitrogen causes floppy, weak growth. Skip fertilizing entirely in established plantings.
• Pruning: Cut back to 3–4 inches in late winter or very early spring before new growth emerges. This annual cut keeps the clump fresh and prevents a woody, dead center from developing over time.

Best Uses

• Prairie-style and meadow garden plantings
• Xeriscape and drought-tolerant landscape designs
• Sunny borders and mixed perennial beds
• Rock gardens and alpine plantings
• Mass plantings for sweeping, wind-driven texture
• Containers and patio plantings where movement and fine texture are desired
• Coastal gardens with salt air and wind exposure
• Erosion control on dry, sunny slopes
• Native and wildlife-friendly plantings

Grows Best In

• USDA Zones: 6–10
• Climate notes: Most at home in warm, sunny, dry climates — thrives in the Southwest, Texas, California, Southeast, and Mid-Atlantic. Evergreen year-round in zones 7–10. In zone 6, goes dormant in winter and returns reliably in spring. Not suited for cool, wet, or shaded conditions. Excellent performer in coastal and high-heat environments.

Problem Solved

Mexican Feather Grass solves the problem of dry, sunny areas that need year-round texture and movement without irrigation. It transforms hot, difficult spots — rocky slopes, parking strip plantings, xeriscape borders, and sun-baked beds — into soft, dynamic landscape features that move with the wind and shift color through the seasons.

It’s also the defining plant of the modern prairie-style planting — nothing else creates the same flowing, luminous, wind-driven effect at this scale. Mass plant it across a sunny slope or border with drought-tolerant perennials from our Ornamental Grasses collection for a low-maintenance landscape that looks better every year.

Pro Tip

Plant Mexican Feather Grass in odd-numbered groups of 3, 5, or 7 across a sunny border or slope, spacing plants 18–24 inches apart. When a breeze moves through, the entire planting ripples in unison — a visual effect that’s impossible to achieve with a single specimen. Mix with drought-tolerant perennials like salvias, echinacea, or lavender for a layered, naturalistic design that needs almost no supplemental water once established.

Shipping Information

• Ships as container-grown plants — available in pint and quart pots.
• Cannot ship to: Oregon (OR) due to state agricultural regulations.
• Ships to all other contiguous US states.

Frequently Asked Questions

Will it spread on its own?
Yes — Mexican Feather Grass self-seeds readily in ideal conditions (warm, dry, sunny sites with well-drained soil). In a naturalistic or prairie-style planting this is desirable. In a formal border, deadhead after blooming to limit self-seeding. Note: it is considered invasive in some California counties — check local regulations before planting in CA.

Is it truly evergreen?
Evergreen in zones 7–10 where winters are mild. In zone 6, it goes dormant and the foliage browns in hard winters but returns reliably in spring. Cut back in late winter regardless of zone to refresh the clump.

How drought-tolerant is it really?
Very — one of the most drought-tolerant ornamental grasses available. Once established (typically after one full growing season), it thrives with little to no supplemental irrigation in most climates. It is specifically adapted to dry, lean soil conditions.

Can I grow it in a container?
Yes — Mexican Feather Grass works well in containers. Use a well-draining potting mix, place in full sun, and allow to dry between waterings. The fine-textured, wind-driven movement is especially striking in a container on a patio or balcony.

What pairs well with it in a prairie or xeriscape planting?
Salvias, echinacea, lavender, rudbeckia, and low-growing sedums complement it well. Browse our full Ornamental Grasses collection for additional companions that share its low-water, full-sun requirements.