Cosmos sulphureus is a species of flowering plant in the sunflower family Asteraceae, also known as sulfur cosmos and yellow cosmos. It is native to Mexico, Central America, and northern South America, and naturalized in other parts of North and South America as well as in Europe, Asia, and Australia.
Young shoots are eaten raw or cooked in Indonesia under the name of lalab or gudang. The flowers are a dye, producing an orange-yellow dye, used in pre-Columbian America and later in southern Africa to dye wool.
Plant cosmos in a location that receives at least a half-day of direct sunlight in moist to dry, porous soils. Sow the seeds outdoors after the danger of frost is past and when the soil has warmed to at least 65 degrees. Rake seeds into a loose soil; planting seeds too deeply will hinder germination.
