Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Elderberries grow in Australia Europe, Japan, parts of south America and in North America into the far east coast reaches of Canada and across the entire United States. The species with black fruits, Sambucus canadensis are the ones we find in our part of the country, which is fortunate, as the blue berries are toxic. Actually, all parts of the plants contain toxic compounds but when heated the ripe black berries