Phlox paniculata David is a premium garden phlox that delivers large, pure white, fragrant flower clusters on strong, upright stems.. Blooming from mid‑ to late summer, its long‑lasting blossoms add classic elegance and bright contrast to bouquets, market bunches, and mixed arrangements. Highly mildew‑resistant, vigorous, and reliably productive, this iconic perennial offers excellent vase life and a strong market appeal.