It's sometimes referred to as strawberry begonia.

There's no rule saying you can't mix vegetables and ornamentals in the same garden. Furthermore, some gardeners line out ornamentals in the vegetable garden while they bulk up or until space becomes available elsewhere. Providing each has sufficient space and ornamentals do not interfere with cultivation and harvesting there is no problem.

tulips

Dig around the roots, - or just pull it out - if the roots are a bright red/orange, it's bittersweet.