A bold and very ornamental eastern North American native that produces beautiful clusters of lupine-like blue flowers from May through June. A bumblebee favourite! This drought tolerant plant was once used to make blue dye. After the flowers, swollen charcoal black seed pods about 5 cm (2") long form on stems that are in demand for dried flower arrangments. Loose seeds in the pods rattle when shaken. Grows in full sun or partial shade in a rich, well-drained soil. Height 60-90 cm (2-3&..