Buckwheat honey is a robust, dark honey gathered from the nectar of the delicate, white flowers of the buckwheat grain. Buckwheat honey has been noted for its health benefits including its high levels of antioxidants. Buckwheat honey is ideal for baking or soothing a cough. It's great in baked goods or sauces. Buckwheat: A native plant, buckwheat is not actually a wheat (it's related to rhubarb), but it's a favorite food for bees. Buckwheat honey is pungent, dark molasses brown with a distinctive malty flavor and lingering aftertaste.