SafePlants

Splitbeard Bluestem: A Native Beauty

Andropogon ternarius, commonly known as splitbeard bluestem, split bluestem, silver bluestem, or paintbrush bluestem, is a captivating native grass prized for its ornamental appeal and ecological value.

Considerations for Pets

• This grass produces seeds that attract birds and mammals, which might, in turn, draw the attention of pets, such as cats and dogs, potentially increasing their outdoor activity and exposure to environmental elements.

Considerations for Children

• The plant's seeds are eaten by various birds and mammals, meaning these animals may visit the plant.

Nomenclature and Taxonomy

• Scientific Name: Andropogon ternarius Michx.
• Common Names: Splitbeard Bluestem, Split Bluestem, Silver Bluestem, Paintbrush Bluestem
• Family: Poaceae (Grass Family)
• Tribe: Andropogoneae
• Synonyms: Andropogon argyraeus

Distribution and Habitat

• Splitbeard Bluestem is native to the Eastern half of the US and Florida.
• It thrives in sunny, dry locations, including meadows, open woodlands, dry pinelands, and turkey oak scrub.
• Prefers well-drained soil, including infertile, sandy, and clay soils, with a very strongly acid to neutral pH.

Morphological Characteristics

• It's a perennial, warm-season bunchgrass, growing up to 2 to 4 feet tall with a 2-foot spread.
• Growth begins in April, with summer flowering.
• Foliage is blue-green during the summer, transitioning to copper, red, and bronze in the fall.
• Features ribbon-like leaves that are often purplish.
• Distinctive silvery-white seed tufts catch the light.

Ecological Role

• Splitbeard Bluestem benefits wildlife by providing food and cover for various bird and mammal species, including the white-tailed deer.

Interactions with Other Organisms

• Frequently found growing with Little Bluestem (Schizachyrium scoparium).
• Deer resistant.

Further Information

• USDA PLANTS Database.
• Discover Life provides information on the biology, natural history, ecology, identification, and distribution.