A semi-evergreen shrub that forms a compact, rounded mound. Green leaves are fragrant and egg-shaped. Upright stems carry large, two-lipped flowers in a variety of colors. Blooms from summer through fall. Attracts pollinators. 'Heatwave' series thrives in hot, dry conditions. 'Blast' has salmon pink flowers. 'Blaze' has crimson red flowers with dark calyxes. 'Breeze' has bluish-purple flowers with dark calyxes. 'Brilliance' has hot magenta pink flowers with dark calyxes. 'Sparkle' has pink flowers with white centers and dark calyxes. 'Glow' has soft peachy pink flowers. 'Glitter' has light pinkish-purple flowers. 'Glimmer' has crisp cream-white flowers with dark calyxes. 'Glare' has bright white flowers.