Salvia guaranitica (Black & Bloom Salvia) - Stalks of dark blue and blue flowers emerge from striking black stems amidst green foliage. A real show-stopper that thrives in high heat and humidity making it a must-have annual for a Mediterranean-style garden. Will behave as a perennial in warm winter regions. Quickly reaches 3 to 4 ft. tall and wide. Filtered to full sun.