Seeds from this Castilleja Sulphurea, or more commonly know as Sulphur Indian Paintbrush, is a subshrub forb herb of the genus Castilleja. Its duration is perennial which means it will grow year after year. Castilleja Sulphurea or Sulphur Indian Paintbrushs floral region is North America US Lower 48, specifically in the states of Arizona, Colorado, Idaho, Montana, New Mexico, South Dakota, Utah, Washington and Wyoming. Zones 3 to 10