Salvia guaranitica 'Black and Blue' is a striking perennial plant renowned for its deep blue flowers and dark calyxes that create a dramatic contrast in gardens. This clump-forming, herbaceous plant has a bushy habit and is best suited for USDA hardiness zones 8-10, preferring full sun to partial shade. It thrives in well-drained soil and moderate temperatures, making it an excellent choice for warm climates. Typically reaching a height of 3 to 5 feet, this salvia attracts hummingbirds and butterflies while being deer resistant, adding wildlife interest without pest issues. Its vibrant color and robust presence make 'Black and Blue' a standout choice for late-season color in any landscape.