When I moved into my house, several decades ago, it was a shady yard with large oak trees and citrus trees. Before that time, I thought growing in full sun was the only way to go, but I was so wrong!
Coleus plants are one of my favorites to bring bold color to the garden without flowers . . . and they are grown in such a wide variety of leaf shapes and colors. There are many other plants that are shade loving.
If you grow in the shade or would like to, click here for an excellent article on plants to grow and how to care for them.