Long-Bristled Smartweed (Polygonum cespitosum)

Family: Buckwheat Family (Polygonaceae)

Other Names: Japanese Knotweed, Oriental Lady's Thumb, Creeping Smartweed

Origin: Introduced From Asia

Historic First Bloom Seen: August 26*

GPS For Stand:

Interesting Facts: As an invasive species this is just one of many Smartweeds in the Cincinnati area. This plant mostly occurs in small populations in the man-made garden and meadow areas of the preserve.

*Average bloom time is based on a compilation of wildflower bloom times from 1975 to present.