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American Beach Grass

Ammophila breviligulata

Last reviewed: August 2026

American beach grass is a tall, clumping dune grass that grows best in full sun and loose, sandy, well-drained soil. It tolerates salt spray, wind and drought once established, making it a common sight on coastal and Great Lakes dunes.

American Beach Grass (Ammophila breviligulata)
Photo: User:Fungus Guy / Wikimedia Commons (Public domain)

Toxicity unknown

American Beach Grass (Ammophila breviligulata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag American Beach Grass as toxic to livestock.

Light

full sun

Water

low

Size

24"–60" H × 12"–24" W

Bloom

N/A

Native to

CA, CT, DE, IL and 18 more states

Before you buy

Your city may pay you to plant this

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American beach grass is a tall, clumping grass native to coastal New England that forms dense stands with blue-green foliage. It's extremely drought tolerant and thrives in sandy, poor soils where other plants struggle. This hardy perennial maintains its color through winter and produces inconspicuous seed heads in late summer.

Growing American Beach Grass

Grow American Beach Grass in full sun and low water. Mature plants reach 24 to 60 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

American Beach Grass takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Can appear too wild and unkempt for formal landscapes
  • May spread aggressively and look weedy
  • Very tall height inappropriate for most front yard applications

Wildlife value

This grass provides nesting material and cover for birds, particularly ground-nesting species. The seeds offer food for small songbirds and the dense growth provides shelter for various wildlife.

Common questions

When does American beach grass bloom?
It sends up narrow, spike-like flower clusters from about June through August, though timing can shift a bit depending on local climate and season.
What kind of soil does American beach grass need?
It grows in loose, sandy, well-drained soil and is often planted specifically to stabilize shifting dune systems along shorelines.
How much water does this grass need?
Very little once it is established. Its deep, spreading rhizomes let it draw on soil moisture and survive long dry spells typical of open, sandy dune sites.
Does American beach grass need pollinators?
No. Like most grasses, it is wind pollinated, so it does not depend on bees or other insects to set seed.
Is American Beach Grass toxic to livestock?
The USDA PLANTS Database does not flag American Beach Grass as toxic to livestock.
Is American Beach Grass HOA-friendly?
American Beach Grass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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