Not a grass; this is Thoroughwort or Boneset

Eupatorium altissimum or similar Asteraceae · Broadleaf herbaceous perennial, not a grass

AI-generated identification · may be incorrect
Not a grass; this is Thoroughwort or Boneset

Grass Category

Native weed or forb, not turf

Hardiness Zones

USDA Zones 3 through 8, depending on the specific species.

About This Grass

Stiffly erect plant growing 2 to 4 feet tall with lanceolate, coarsely toothed leaves and dense flat-topped clusters of small white flower heads. Displays typical aster family characteristics.

Blade Characteristics

Leaves are alternate, lance-shaped, hairy, and distinctly not grass blades with parallel veins.

Growing Information

Growth Habit

Upright, branching perennial forb from a rootstock

Sunlight & Water Needs

Thrives in full sun to partial shade with moderate to dry soil conditions.

Mowing & Maintenance

Managed by pulling, digging, or broadleaf herbicides rather than mowing.

Identified on 10/18/2026
Not a grass; this is Thoroughwort or Boneset - Eupatorium altissimum or similar Asteraceae | Grass Identifier