Native to the southeastern United States and Mexico, Turk's Cap is one of those plants that looks even stranger the closer you get. The small red flowers swirl closed like a furled flag, their petals never spreading wide, while long stamens push boldly outward from the center. It is an old pass-along plant across the South, passed hand to hand precisely because it thrives on mild neglect and shades of woodland edge that would test other shrubs.

Given moist, fertile soil and partial shade, a mature plant can reach 10 feet — sometimes considerably more in favored spots. It blooms from late summer into fall, which matters enormously in a season when hummingbirds are fueling up for migration. Pruning keeps the size manageable and encourages denser flowering. Deer leave it alone, diseases rarely trouble it, and butterflies treat it as a reliable late-season stop.