White Boneset, Lateflowering Thoroughwort, Late-flowering Boneset
Family:
Asteraceae (Aster Family)
Plant Ecoregion Distribution Map
Cross Timbers, East Central Texas Plains, Edwards Plateau, Gulf Coast Prairies and Marshes, Southern Texas Plains, Texas Blackland Prairies, Western Gulf Coastal Plain
Eastern Cross Timbers, Western Cross Timbers
Bastrop Lost Pines, Floodplains and Low Terraces2, Northern Post Oak Savanna, Northern Prairie Outliers, San Antonio Prairie, Southern Post Oak Savanna
Blooms September-November. 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.
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