grassN. America Native

Purple Needlegrass

Stipa pulchra

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Grass

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9

Water

Low

Humidity

Low

Lifespan

Perennial

Native To

California

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Stipa pulchra, now Nassella pulchra, is a perennial bunchgrass with fine, hair-like leaves that form dense, graceful clumps. As the state grass of California, it is known for its long, purplish awns that twist and drill the seed into the soil. It is highly drought-tolerant and provides important habitat.

Bloom Period:

EarlyLate

Uses & Benefits:

Stipa pulchra adds a graceful, shimmering texture to drought-tolerant landscapes, providing year-round visual interest with minimal maintenance.

Its drought resilience makes it an eco-friendly choice for water-wise gardening.

Provides habitat and food for native pollinators and birds.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and encourage root growth.
Plant in full sun for optimal growth and drought tolerance.
Water sparingly once established, allowing soil to dry between watering.
Apply a light layer of mulch to suppress weeds and retain moisture.
Divide clumps every 3-4 years in early spring to promote vigor.

Pro Tip

Use well-draining sandy soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water sparingly once established 💧
Ensure full sun exposure for best growth ☀️
Divide clumps every few years to maintain health 🌱
Apply mulch to conserve moisture and suppress weeds
Prune dead or damaged stems in late winter

Don't

Overwater, which can lead to root rot ❌
Plant in shady areas, reducing drought tolerance ❌
Neglect dividing mature clumps ❌
Use heavy, clay soils that retain too much moisture ❌
Forget to remove dead stems, which can harbor pests

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged ornamental grassDrought-tolerant borderNaturalistic prairie planting

Companion Plants

Echinacea Rudbeckia Andropogon gerardii Festuca glauca Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Purple Needlegrass questions

What zones can Purple Needlegrass grow in?

Purple Needlegrass 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 Purple Needlegrass deer resistant?

Yes — Purple Needlegrass is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Purple Needlegrass bloom?

Purple Needlegrass typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Purple Needlegrass need full sun?

Purple Needlegrass does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Purple Needlegrass drought tolerant?

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