Known commonly as anise hyssop, this plant features a profusion of upright bloom spikes covered with small, powder blue, tubular flowers. The aromatic, green foliage has a peppermint-lemon scent when brushed against or crushed. Wonderful summer color for warm, dry regions. Drought tolerant in coastal regions. Use in sunny beds, borders, and patio containers. Attracts butterflies and hummingbirds. An herbaceous perennial.