Distribution: Minnesota in the west to southern New England in the east, southward to Florida and Mississippi. Escaped from gardens elsewhere.
Habitat: Wild Sweet William is found in low forest, and along the banks of rivers and lakes.
Flowering period: May to September.
Similar Species: The leaves of Garden Phlox are large and generally broader. In addition the corolla tube is not as narrow and elongate as in Wild Sweet William. Smooth Phlox has narrow leaves that do not broaden as much toward the base, and the top of the plant is branched near the top. The stamens of Downy Phlox are visible in the opening of the corolla tube.