Brighamia insignis is found at elevations from sea level to  in mesic shrublands and dry forests that receive less than  of annual rainfall. It grows on rocky ledges with little soil and steep sea cliffs.
The species Brighamia insignis thrives in environments characterized by low rainfall, typically found at elevations ranging from sea level to [insert elevation here], within mesic shrublands and dry forests. It prefers rocky outcrops with minimal soil and steep coastal cliffs.