# Big Bluestem (*Andropogon gerardii*)

Big Bluestem is a tall grass that can grow very high! It’s known for its blue-green color and is great for prairie habitats.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Prairies and grasslands
- **Also known as:** Blue Stem, Prairie Grass

![Big Bluestem](https://res.cloudinary.com/drieglelr/image/upload/v1771425700/objects/5015.jpg)

## Appearance

The Big Bluestem is a tall, clumping grass with distinctive blue-green stems in summer, often tinged with purple. Its unique seed heads branch out like a turkey's foot, turning a vibrant rusty-red or bronze in autumn, making it easy to spot amidst other prairie grasses.

## Taxonomy

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

## Interesting facts

- In autumn, its stems turn a beautiful rusty-red, like a prairie sunset!
- Its incredible roots can grow deeper than a full-size car is tall!
- Pioneers used its tough sod to build sturdy houses, known as soddies!
- This 'king of the prairie' creates rich, dark soil, making grasslands fertile.

## Special abilities

- **Deep Root Diver:** Big Bluestem has roots that can plunge over 8 feet deep, helping it find water in droughts and hold soil against erosion.
- **Fire Fighter:** Big Bluestem can quickly regrow after prairie fires, as its growth points are protected underground, making it fire-resistant.
- **Prairie Powerhouse:** Big Bluestem has a special C4 photosynthesis system, allowing it to grow efficiently even in hot, sunny, dry prairie conditions.

## Measurements & details

- **Height:** 150-300 cm
- **Spread:** 60-90 cm
- **Flower Size:** 0.5-1.5 cm
- **Bloom Season:** Late summer to fall
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Wind

## Ecological connections

- **Eaten by:** [American Bison](https://www.snappit.app/explore/american-bison) (*Bison bison*) — a primary food source for grazing bison
- **Eaten by:** [White-tailed Deer](https://www.snappit.app/explore/white-tailed-deer) (*Odocoileus virginianus*) — grazed upon by deer, especially young shoots
- **Shelter:** [Deer Mouse](https://www.snappit.app/explore/deer-mouse) (*Peromyscus maniculatus*) — provides cover and nesting sites for small mammals
- **Shelter:** [Savannah Sparrow](https://www.snappit.app/explore/savannah-sparrow) (*Passerculus sandwichensis*) — uses dense clumps for nesting and protection

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [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.
- [Drought Tolerant](https://www.snappit.app/explore/traits/drought-tolerant): Drought-tolerant plants can survive and flourish in conditions with limited water availability.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [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.

## Collections

- [Grasses](https://www.snappit.app/explore/collections/grasses)
- [Grasses, Shrubs & Bushes](https://www.snappit.app/explore/collections/grasses-shrubs-and-bushes)

## Safety

**Danger:** 1/5 · Very low

Explore with care and ask an adult if you’re unsure what to do.

## Frequently Asked Questions

### How to identify Big Bluestem?

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 Big Bluestem?

150-300 cm

### How wide does Big Bluestem spread?

60-90 cm

### How big are the flowers on Big Bluestem?

0.5-1.5 cm

### When does Big Bluestem bloom?

Late summer to fall

### Is Big Bluestem edible?

No

### Is Big Bluestem toxic?

None

### What is Big Bluestem's lifecycle?

Perennial

## Where to spot

- [Cleveland Park](https://www.snappit.app/guides/places/cleveland-park) — District of Columbia, US · Neighborhood
- [Denbigh Experimental Forest](https://www.snappit.app/guides/places/denbigh-experimental-forest) — North Dakota, US · Botanical Garden
- [Foxhall](https://www.snappit.app/guides/places/foxhall) — District of Columbia, US · Neighborhood
- [Grant Road Historic District](https://www.snappit.app/guides/places/grant-road-historic-district) — District of Columbia, US · Historic District
- [Matthaei Botanical Gardens](https://www.snappit.app/guides/places/matthaei-botanical-gardens) — Michigan, US · Botanical Garden
- [Missouri National Recreational River](https://www.snappit.app/guides/places/missouri-national-recreational-river) — Nebraska, US · National Park

[View all places to see Big Bluestem](https://www.snappit.app/guides/where-to-see/big-bluestem)

## 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: [Big Bluestem: Facts & Places to See — Snappit](https://www.snappit.app/explore/big-bluestem)
