Houndstongue, also known as Gypsy Flower and Rats And Mice (Cynoglossum Officinale) may be an annual but is mostly a biennial forb in the Borage Family (Boraginaceae). It’s native to Eurasia. Blooms May-Sep and grows 1-3 ft. Found as a weed in fields, grasslands, near streams, native prairies and meadows. Likes moist to dry soils and partial to full sun exposure.
Houndstongue is toxic to cows. It gets the name Rats And Mice for the smell of the plant.