Which vegetables have sugar in them?

All vegetables have some amount of natural sugar, but not enough to make them a source for sugar to package and use. Sugar beets and sugar cane are the most prevalent plant for producing a large amount of sugar.

In other vegetables onion, beets, carrots, peas, parsnips, turnips and potatoes all have more sugar that other vegetables and because of this have a slightly sweet taste when cooked enough to brown them.