Gunnera tinctoria

Often called Dinosaur food, this interesting clump forming herbaceous perennial from Chile has leaves that can grow up to 7 feet across. The erect red con-shaped seed heads persist through the winter. The plant likes a boggy area best, but can be grown in average conditions if watered weekly. Commonly called Chilean Rhubarb, it technically is not a Rhubarb, but the stalks are edible. Some use this plant to make concrete sculptures from molds of the leaves. This amazing plant will make a dramatic and bold element in any garden that can grow it.  Will grow to 8 ft tall and wide. Hardy to zone 7. The narrow, wide photo is from Chile where it is growing in the wild.