White Boneset, Lateflowering Thoroughwort, Late-flowering Boneset
Plant Ecoregion Distribution Map
Native Habitat: Grassland
East Central Texas Plains, Edwards Plateau, Gulf Coast Prairies and Marshes, Texas Blackland Prairies, Western Gulf Coastal Plain
Prefers moist areas, but can tolerate some drought, although some lower leaves may brown and drop off. Grows by rhizomes. Looks similar to Shrubby Boneset (Ageratina havanensis) but doesn’t have woody stems and leaves are long and narrow. Attracts butterflies for nectar and birds for seeds.