Agastache rugosa 'Little Adder' PP26514 is a stunning perennial herb known for its compact habit and vibrant spikes of deep purple-blue flowers that bloom from mid-summer to early fall. It is ideally suited for USDA hardiness zones 5-9, thriving in full sun and well-drained soil with a recommended temperature range of 20°F (-6°C) to 90°F (32°C). This vigorous pollinator attractor boasts deer resistance, providing a reliable garden choice for areas plagued by these grazers. At maturity, 'Little Adder' reaches a height of 18-24 inches, creating a delightful splash of color and aromatic foliage that enhances any garden or landscape setting.