Flower Notes:
Blue (Very showy, fragrant blue flower spikes from late summer to fall)
Foliage Notes:
Green (Grayish-green foliage with slightly fragrant stems in summer; no appreciable fall color)
Fruit Notes:
Brown (Not ornamentally important)
Soil Notes:
Requires well-drained soil, but tolerates acidic and lime-based soils
Diagnostic Characteristics:
Leaves are opposite, simple, 1-2" long by 0.5-1.25" wide, entire or with teeth, dull green above with silvery tomentose beneath. Stems are 4-sided.