Iberis umbellata. Umbels of fragrant flowers unfold from a central point in pink to off-white on annual plants that grow 20-30cm (10-12") tall with a spreading habit. Iberis prefers well drained soil in full sun, and has a remarkable characteristic of blooming just weeks after sowing. Direct sow Candytuft Iberis seeds from last frost date to mid-July for continuous blooms. Iberis may self sow in the right conditions, but will not become invasive. Try planting some Iberis seeds for use in xeriscaping, as the plants are quite drought tolerant. This plant looks good in containers, and is highly attractive to beneficial insects over a long flowering period.