Species

grass

Ponytails Mexican Feather Grass

The Story

Plant Bio

Nassella tenuissima (formerly Stipa tenuissima) is an ornamental grass characterized by its very fine, thread-like green leaves and delicate, feathery flower panicles that sway gracefully in the breeze.

This cultivar is celebrated for its fine, hair-like plumes that add a soft, airy texture to garden borders and containers, creating a graceful, flowing appearance.

Uses & Benefits:

Provides fine texture and movement in garden designs, especially in drought-prone areas.

Requires minimal watering once established, reducing garden maintenance.

Supports beneficial insects and provides habitat for small wildlife.

SpeciesStipa tenuissimaMexican Feather Grass

Essentials

At a Glance

Plant Type

Grass

Height

24 inches

Width

12 inches

Light

Full Sun

Zones

7, 8, 9, 10

Water

Low

Humidity

Average

Lifespan

Perennial (often grown as an annual)

Native To

Southwestern US, Mexico, Argentina

Toxicity

Non-toxic

Planting

How to Grow

Tuck seeds into well-draining soil in early spring.
Water lightly until established, about 2 weeks.
Mist cuttings if propagating via division in spring.
Allow soil to dry between watering during summer.
Trim back dead foliage in late winter.
Divide clumps every 3-4 years for best growth.

Pro Tip

Use well-draining soil and avoid overwatering for best results.

Keep It Thriving

Care Guide

Do

Water sparingly once established 💧
Trim dead foliage in late winter ✂️
Divide every 3-4 years for vigorous growth
Plant in full sun for optimal performance

Don't

Overwater, which can cause root rot ❌
Plant in heavy clay soil without amendments
Allow soil to stay constantly wet

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged borderDrought-tolerant meadowTextural accent in garden beds

Companion Plants

EchinaceaLavender Sedum YuccaRussian Sage

Multiply

Propagation Methods

Good to Know

Common Questions

Ponytails Mexican Feather Grass questions

What zones can Ponytails Mexican Feather Grass grow in?

Ponytails Mexican Feather Grass is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Ponytails Mexican Feather Grass deer resistant?

Not reliably. Deer may browse Ponytails Mexican Feather Grass, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Ponytails Mexican Feather Grass bloom?

Ponytails Mexican Feather Grass typically blooms in late spring to early summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Ponytails Mexican Feather Grass need full sun?

Ponytails Mexican Feather Grass does best in full sun (6+ hours).

Is Ponytails Mexican Feather Grass drought tolerant?

Yes — once established (usually after the first full season), Ponytails Mexican Feather Grass handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.