Have you ever considered growing grains in your garden? It's often over-looked as an option we are so involved in fruits and veggies but it is an option.
You will need a full-sun location and an average temperature of above 70 degrees Fahrenheit.
It is a little more time consuming especially when it's harvested but well worth it.
Rice originated in dry areas but over the years it has adapted to differing ecosystems making it easier to grow in your own garden.
How To Grow Rice At Home From Seed See Tutorial