Phlox, << floks, >> is a group of garden plants with brilliantly colored blossoms. One common species, the annual phlox or Drummond phlox, is native to Texas. Its flowers range in color from white to red or purple and grow in clusters at the top of the stem. The leaves may be long and narrow or egg-shaped. The plant measures 6 to 18 inches (15 to 46 centimeters) high.
The wild sweet William is a phlox native to the eastern United States. It has white or pink to purple flowers and may grow 5 feet (1.5 meters) high. The blue phlox grows in forests from Quebec to Alabama. It may grow 18 inches (46 centimeters) high and has bluish or pale lilac flowers.