Iberis sempervirens 'Whiteout' is a stunning, low-growing evergreen perennial that shines in the garden with its abundant clusters of pure white flowers in early spring. Its neat, dense habit of dark green, glossy foliage provides a perfect backdrop for the striking blooms, making it an excellent choice for borders, rock gardens, or as a groundcover. 'Whiteout' thrives in full sun and well-drained soil, where it attracts pollinators and brightens up the landscape with its early-season color. This hardy variety offers year-round interest, with its evergreen foliage providing structure and texture even after the flowers have faded.