Try planting your own three sisters
Zea mays - Mandan Bride Corn
Grown by the Mandan tribe of North Dakota, it produces multicolored kernels. This corn is dried before it is eaten and often used to make a traditional dish called misaquatash.
Phaseolus bulgaris - Hidatsa Shield Bean
This pole bean were grown by the Hidatsa tribe in the Missouri Valley of North Dakota. These beans are described in the book, Buffalo Bird Woman's Garden: Agriculture of the Hidatsu Indians.
Curcubita pepo - Summer crookneck squash
This is a worty skin variety of flavorful summer squash listed in seed catalogs from the early 1800's. Summer squash are at their best when harvested as young fruits about 6 inches logn.