Perennial.
White 1/2" flowers in 5" spikes in summer and fall. Hardy aromatic perennial to 1 - 2 feet, with small, narrow, dark green 1 - 2" leaves. S. Europe. Blooms profusely. Best in warm, alkaline soil. Good bee plant, producing fine honey. A popular herb, used for tea, soups, potpourri, and medicinally against rheumatism.