When plant lovers see stands of vibrant purple flowers along roadsides or in gardens, phlox is usually their first guess. Unfortunately, it's easy to mistake phlox for a deceiving invasive weed ...

Its flowers boast notched petals and a wide range of hues (red, purple, blue, pink, white, and even bi-colored and striped), and it grows to a maximum height of 6 inches. Phlox stolonifera ...