# American marram grass (*Calamagrostis breviligulata*)

American marram grass is a tall, green plant that grows in sandy areas. It helps keep the sand in place and provides a home for little animals and insects.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Coastal areas

![American marram grass](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Ammophila_brevigulata.jpg&width=800)

Photo: User:Fungus Guy, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Ammophila_brevigulata.jpg)

## Appearance

The American marram grass has stiff, upright, blue-green leaves that often curl inwards, giving them a needle-like appearance. Its sturdy stems hold feathery, pale brown to purplish flower spikes, which emerge in late summer, contrasting with its dense, mat-forming base.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Liliopsida
- **Order:** Poales
- **Family:** Poaceae
- **Genus:** Calamagrostis

## Interesting facts

- It's a natural protector, guarding shorelines from strong winds and ocean waves!
- Its deep, spreading roots are like a giant net, holding the beach together!
- Marram grass can even sprout new shoots after being completely buried by sand!
- This amazing grass helps coastal sand dunes grow bigger and stronger!

## Special abilities

- **Sand Anchor:** American marram grass can grow extensive root systems and rhizomes that help it stabilize shifting sand dunes and prevent erosion.
- **Salt Shield:** American marram grass has tough, waxy leaves that help it survive salty winds and ocean spray found in coastal environments.
- **Burial Rescuer:** American marram grass can grow upwards through accumulating sand, which helps it thrive and build dunes even when buried.

## Measurements & details

- **Height:** 60-120 cm
- **Spread:** 30-90 cm
- **Flower Size:** 0.5-1.5 cm
- **Bloom Season:** Summer
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Wind

## Ecological connections

- **Eaten by:** Meadow Vole (*Microtus pennsylvanicus*) — provides shelter and some food for voles
- **Shelter:** [Deer Mouse](https://www.snappit.app/explore/deer-mouse) (*Peromyscus maniculatus*) — dense grass offers protection from predators
- **Eaten by:** [Canada Goose](https://www.snappit.app/explore/canada-goose) (*Branta canadensis*) — geese sometimes graze on its tough leaves

## Traits

- [Grass-Like](https://www.snappit.app/explore/traits/grass-like): Grass-like plants are herbaceous plants that visually resemble true grasses, typically having long, narrow leaves.
- [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once.
- [Drought Tolerant](https://www.snappit.app/explore/traits/drought-tolerant): Drought-tolerant plants can survive and flourish in conditions with limited water availability.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.
- [Coastal](https://www.snappit.app/explore/traits/coastal): Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Be careful not to pull out plants when exploring. They help the environment!

## Frequently Asked Questions

### How to identify American marram grass?

Compare seed heads, stem shape, how leaves attach, and the joint where leaf meets stem. A patch of mown lawn rarely shows enough for an exact ID. Grass Identifier: upload a photo and compare the visible details.

### How tall is American marram grass?

60-120 cm

### How wide does American marram grass spread?

30-90 cm

### How big are the flowers on American marram grass?

0.5-1.5 cm

### When does American marram grass bloom?

Summer

### Is American marram grass edible?

No

### Is American marram grass toxic?

None

### What is American marram grass's lifecycle?

Perennial

## Where to spot

- [Glen Haven](https://www.snappit.app/guides/places/glen-haven) — Michigan, US · Historic District

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [American marram grass: Facts & Places to See — Snappit](https://www.snappit.app/explore/american-marram-grass)