Photos: © Doug McGrady

The August Mystery Plant is an introduced perennial growing 1-3 feet tall along shorelines, fields and roadsides. It sports medium-sized irregular rose-purple flowers blooming in whorls to form an interrupted spike. The opposite lance-shaped leaves are toothed and short-stalked. The square stems are variously pubescent.

It is…

Botanical Name: Stachys palustris
Common Name: marsh hedge-nettle
Family: Lamiaceae
Habitat: floodplains, forests, shores, swamps

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