The Best Can Cows Eat Bean Plants Ideas. Other plants we grow as food for humans but may poison cattle include cabbage or any plant in the brassica family, onions, amaranthus and beans. Keeping them as potted plants is a good way of adding a hint of color to the indoors as well!

The beans have a high sugar content of 65 percent to 80 percent. Keeping them as potted plants is a good way of adding a hint of color to the indoors as well! #4 · may 5, 2009.