# woolgrass (*Scirpus cyperinus*)

Woolgrass is a soft, fluffy plant that grows in wet areas like marshes. Its tall, green stems and fuzzy tops make it look like it's wearing a cozy hat!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 4
- **Habitat:** Wetlands

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

Photo: Fredlyfish4, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Scirpus_cyperinus_UMFS.jpg)

## Appearance

The woolgrass has slender, triangular stems topped with fluffy, reddish-brown to cinnamon-colored seed heads that resemble cotton or wool. Its narrow, grass-like leaves are typically green, forming dense clumps and stands.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Liliopsida
- **Order:** Poales
- **Family:** Cyperaceae
- **Genus:** Scirpus

## Interesting facts

- Believe it or not, woolgrass can grow happily with its 'feet' soaking wet in water!
- Its fluffy seed heads were once used by Native Americans as tinder to start fires!
- Many tiny insects lay their eggs safely tucked away within its dense foliage!
- When mature, its seed heads are so soft they feel just like a sheep's wool!

## Special abilities

- **Water Purifier:** Woolgrass can filter excess nutrients from wetlands, keeping the water clean for other creatures.
- **Soil Anchor:** Woolgrass has strong roots that hold wetland soil in place, preventing erosion during floods.
- **Shelter Provider:** Its dense clumps provide safe hiding spots for small animals and insects in marshy areas.

## Measurements & details

- **Height:** 90-180 cm
- **Spread:** 30-60 cm
- **Bloom Season:** Summer, Fall
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Wind

## Ecological connections

- **Eaten by:** Mallard (*Anas platyrhynchos*) — Mallard ducks eat its nutritious seeds.
- **Eaten by:** [Muskrat](https://www.snappit.app/explore/muskrat) (*Ondatra zibethicus*) — Muskrats feed on the base of its stems and rhizomes.
- **Shelter:** [Green Frog](https://www.snappit.app/explore/green-frog) (*Lithobates clamitans*) — Green frogs hide among its dense stems from predators.
- **Shelter:** Slender Spreadwing Damselfly (*Lestes rectangularis*) — Damselflies perch on its leaves while hunting other insects.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [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.
- [Fiber](https://www.snappit.app/explore/traits/fiber): This human use trait identifies species that yield natural fibers, used by humans for textiles, rope, paper, and other manufactured goods.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [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.
- [Decomposer](https://www.snappit.app/explore/traits/decomposer): Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always stay on paths when exploring wetlands to protect plants and animals.

## Frequently Asked Questions

### How to identify woolgrass?

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 woolgrass?

90-180 cm

### How wide does woolgrass spread?

30-60 cm

### When does woolgrass bloom?

Summer, Fall

### Is woolgrass edible?

No

### Is woolgrass toxic?

None

### What is woolgrass's lifecycle?

Perennial

### How is woolgrass pollinated?

Wind

## Where to spot

- [Metcalfe Historic District](https://www.snappit.app/guides/places/metcalfe-historic-district) — Georgia, US · Historic District
- [Roslyn Village Historic District](https://www.snappit.app/guides/places/roslyn-village-historic-district) — New York, US · Historic District
- [South Arkansas Arboretum](https://www.snappit.app/guides/places/south-arkansas-arboretum) — Arkansas, US · Botanical Garden
- [Stony Brook Wildlife Sanctuary](https://www.snappit.app/guides/places/stony-brook-wildlife-sanctuary) — Massachusetts, US · Nature Reserve
- [Penn-Roosevelt State Park](https://www.snappit.app/guides/places/penn-roosevelt-state-park) — Pennsylvania, US · State Park

[View all places to see woolgrass](https://www.snappit.app/guides/where-to-see/woolgrass)

## 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: [Woolgrass: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/woolgrass)
