Full sun-part shade; moderate water. Evergreen shrub, grows to 3-4ft tall, 4-6ft wide. Fragrant, narrow green or gray-green leaves have square-toothed edges. Purple flowers in short, rounded spikes, each topped with a pai of flaglike bracts that look like rabbit ears. Long spring-into-summer flowering period; almost year-round in mild-winter areas. Used in dried arrangements, potpourri, and as insect repellent . Not for culinary use. Good as a low hedge or for flower or herb gardens.