The clustered namesake flowers of White Turtlehead are open. Turtleheads like wet places.
The four-part flowers of Virgin's Bower are frosting roadside thickets. This plant climbs by twisting its leaf stalks around any other plant that it comes into contact with.
Long, curled blue stamens give Blue Curls their name. A plant of dry roadsides and railroad tracks, Blue Curls look too delicate for their chosen habitat.
And Button Bush's round heads consisting of many white tubular flowers are at their peak. Button bush will usually be found with its feet in water. Its flowers attract a huge array of pollinators.