Cleome lutea seeds can be found at online seed nurseries, and sometimes in home-improvement stores' garden sections. Because the plant is native to California and prefers dry, desert-like conditions, nurseries based in the West are more likely to carry the seed. Other options are online gardening sites, where gardeners freely trade seeds.
About this Author
Living in Southern California, Shayne Ochoa has been writing professionally since 2005. Her articles have included topics on education, child development and gardening. She also holds a Bachelor of Arts degree in liberal studies from California Baptist University in Riverside.