grassN. America Native

Saltmeadow Cordgrass

The Story

Plant Bio

Sporobolus pumilus, commonly known as saltmeadow cordgrass, is a deciduous, warm-season perennial grass native to the coastal salt marshes of North America. It spreads via vigorous underground rhizomes to form dense, wiry mats that effectively bind coastal soils against erosion.

The slender, flexible stems frequently bend under wind or water action, creating a distinctive cowlick or tumbled-field pattern across large plantings. In late fall, the narrow, rolled green foliage cures to a light tan color that persists through the winter.

Uses & Benefits:

Creates a soft, undulating green carpet with a distinctive cowlick texture that turns warm tan in winter.

Binds loose shoreline soils with a dense rhizome network, offering exceptional erosion control against tidal action.

Provides critical nesting habitat and cover for coastal shorebirds, waterfowl, and small mammals.

Essentials

At a Glance

Plant Type

Grass

Height

36"

Width

36"

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9, 10

Water

High

Humidity

High

Lifespan

Perennial

Native To

Americas

Toxicity

Non-toxic

Bloom period

Late spring – Autumn

In flower about 7 months of the year

Planting

How to Grow

Select a planting site in full sun with moist, sandy, or loamy soil.
Dig a hole twice the width of the root ball and set the plant at its original growing depth.
Water thoroughly after planting to settle the soil around the roots.
Maintain consistent moisture during the first growing season until the rhizomes establish.

Pro Tip

Confine this grass with deep root barriers if planting near formal garden beds, as the aggressive rhizomes will rapidly overrun adjacent soil.

Keep It Thriving

Care Guide

Do

Cut the dead foliage back to the ground once a year in late winter before new shoots emerge.
Install physical root barriers to restrict the spread of rhizomes in confined garden spaces.
Plant in areas exposed to salt spray or periodic tidal flooding where other grasses fail.

Don't

Do not apply fertilizer, as this species is adapted to nutrient-poor soils and excess nutrients weaken the stems.
Do not plant this species on the US Pacific coast where it behaves as an invasive weed.
Do not shear the foliage frequently during the growing season, which depletes the plant's energy reserves.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Pest Check
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Erosion ControlCoastal GardensRain GardensMass PlantingMeadow Restoration

Companion Plants

Distichlis spicata Juncus balticus Baccharis halimifolia

Multiply

Propagation Methods

Good to Know

Common Questions

Saltmeadow Cordgrass questions

What zones can Saltmeadow Cordgrass grow in?

Saltmeadow Cordgrass is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Saltmeadow Cordgrass deer resistant?

Not reliably. Deer may browse Saltmeadow Cordgrass, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Saltmeadow Cordgrass bloom?

Saltmeadow Cordgrass typically blooms in late spring through autumn. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Saltmeadow Cordgrass need full sun?

Saltmeadow Cordgrass does best in full sun (6+ hours).

Is Saltmeadow Cordgrass drought tolerant?

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