SafePlants

Bosc's Panicgrass (Dichanthelium boscii)

Bosc's Panicgrass, scientifically known as Dichanthelium boscii, is a perennial grass found in specific regions of North America. It belongs to the grass family (Poaceae) and is recognized by its loose tufts of leafy culms.

Common Names

• Bosc's Panic Grass
• Bosc's Witchgrass

Considerations for Pets

• The plant is a grass, and while generally considered safe, pets may experience mild digestive upset if large quantities are ingested.

Taxonomy and Nomenclature

• Scientific Name: Dichanthelium boscii (Poir.) Gould & C.A. Clark
• Family: Poaceae (Grass family)
• Genus: Dichanthelium (Hitchc. & Chase) Gould – rosette grass
• Synonym: Panicum boscii Poir.
• Variety: Dichanthelium boscii molle (downy variety)

Distribution and Habitat

• Native to southern and eastern North America.
• Reaches its northeastern limit in New England.
• Found in shaded, usually dry, woodland habitats.
• Observed in locations such as Green Ridge State Forest, Allegany County, MD.

Morphological Characteristics

• Perennial grass.
• Typically 1-2 feet tall.
• Forms loose tufts of leafy culms.
• Leaves are relatively broad.
• Flowers from July to October.

Related Species

• Dichanthelium cabrerae
• Dichanthelium clandestinum (Deertongue Witch Grass, Hispid Panic Grass)
• Dichanthelium commutatum (Variable Panicgrass)
• Dichanthelium dichotomum
• Dichanthelium latifolium (Broad-leaved Panic Grass)
• Dichanthelium rigidulum (Redtop Panic Grass)
• Dichanthelium scoparium (Velvety Panic Grass)
• Dichanthelium acuminatum (hairy panicgrass, tapered rosette grass, needleleaf rosette grass, woolly)

Further Information

• USDA-NRCS PLANTS Database
• Discover Life
• An illustrated flora of the northern United States, Canada and the British Possessions (Britton, N.L., and A. Brown. 1913)