Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Eupatorium serotinum

Lateflowering thoroughwort, White boneset, Late boneset, Late-flowering boneset

Asteraceae (Aster Family)

Eupatorium serotinum (Lateflowering thoroughwort)
Cressler, Alan
Late Boneset is a member of the aster family (family Asteraceae) which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. Flower-like heads: tiny, radially symmetrical central flowers form the disk; larger flowers around the edge, the rays, strap-shaped and resembling petals; however, all flowers in one had may be disk flowers or rays.

Image Gallery:

15 photo(s) available

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White
Bloom Time: Sep , Oct , Nov


USA: AL , AR , CT , DE , FL , GA , IL , IN , IA , KS , KY , LA , MD , MA , MI , MN , MS , MO , NE , NJ , NY , NC , OH , OK , PA , RI , SC , TN , TX , VA , WV , WI , DC
Native Habitat: Prairie, Plains, Meadows, Pastures, Savannahs, Woodlands edge, Opening, Near lakes or ponds

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Conditions Comments: Grows by rhizomes.


Use Ornamental: Showy, Blooms ornamental
Use Wildlife: Nectar-Butterflies, Nectar-insects, Seeds-Granivorous birds
Conspicuous Flowers: yes
Attracts: Butterflies
Deer Resistant: High

Last Update: 2015-06-03