Corn, beans and squash have always been planted together. First Nations people believe that their spirits are loving sisters who like to stay beside one another. When the seeds were planted, the Native people prayed to the Thunder Spirit not to burn the earth and to give the sisters all the water they needed. Late in the summer, when the crops were ripe, the people celebrated because the sisters had grown up.

The next moon, they danced in honour of the harvest and the life cycle was complete. That day, the women sang, "The Three Sisters are happy because they are home again from their summer fields."