What is the difference between a black raspberry and a blackberry? For starters, the vines are not the same at all. A black raspberry has a whitish cane that bends over to tough the ground and start more plants. Blackberries vines are shorter and more upright canes with elongated fruit.
Black raspberry jam tastes more like red raspberry jam than blackberries. Something about cooking them brings out the raspberry flavor in them. If you like raspberry jam, you will love this one.