Pink Gaura 'Whirling Butterflies' (Gaura lindheimeri) is a drought-tolerant, low-maintenance perennial featuring delicate, pink-tinted, 4-petaled flowers that hover on long, wiry, red-tinged stems. Growing 2–3 ft. tall in a, vase-shaped clump, this heat-loving plant blooms from late spring to fall, attracting pollinators to borders, containers, and mass plantings.