Slender, densely branched deciduous shrub, 3 to 10 feet tall, 8 feet in spread. Fragrant foliage. White to yellow flowers appear in spring to fall with strong vanilla scent. 1 to 3 inch spikes. Flowers attractive to butterflies and bees. This is a honey plant. Aloysia gratissima is toxic to horses.
Low water use, drought tolerant, tolerates poorly drained soils.