140-150 Days to maturity. Gossypium hirsutum. Brown King Cotton Seeds. Non-GMO, open-pollinated cotton seeds. Annual in zones 8-11. It may be grown in zones 6-7 if started indoors and protected from cool weather. Brown King Cotton has naturally brown to tan-colored fibers, eliminating the need for dyes in natural fabrics. Compared to white cotton, it requires less processing to be made into fabric. When washed, the brown fibers deepen in shade without dye. This cotton is ideal for gardeners, hobbyists, or professionals who want to create dye-free, naturally brown fabric. Its eco-friendly appeal and heat tolerance make it popular among artisans, sustainable farmers, and educational projects.