Iberis amara 'Iceberg Superior,' a variety of Candytuft, is a modest yet appealing perennial known for its low-growing, mounded habit and profusion of delicate white flowers. This plant forms compact cushions of small, lance-shaped leaves that create a neat green backdrop for the clusters of four-petaled, pure white blossoms. 'Iceberg Superior' Candytuft blooms in spring, typically from late March to April, creating a graceful and pristine display that brightens garden borders or rock gardens. Its hardiness and adaptability make it well-suited for various soil types and light conditions, from full sun to partial shade.