Time of bloom: June to September.
Seed-time: August to November.
Range: Quebec to western Ontario and Minnesota, southward to Virginia. Habitat: Dry or sandy soil; fields and waste places.
Stems six to eighteen inches high, slender, bristly-hairy, many-branched, the branches procumbent. Leaves one to two inches long, narrow oblong to lance-shaped, obtuse, slightly wavy-edged, bristly-hairy, sessile or the lower ones narrowing to short, margined petioles. Flowers in terminal, leafy-bracted, curving racemes, numerous, crowded, the corolla-tubes curved, less than a quarter-inch long, with five spreading lobes, pale blue; the five included stamens inserted on the tube, the throat closed with bristly scales; calyx-lobes, acute, nearly as long as the corolla-tube. The four tiny nutlets rough-wrinkled, erect, with concave base. (Fig. 235.)
Prompt cutting at the beginning of bloom, preventing all seed production.