Southern Europe; Naturalized Worldwide
In Drayton's Nimphidia, The Court of Fayrie, it is said to have the power of warding off witches. An infusion of the leaves is a popular tea in France where it is used to help calm the nerves and aid digestion.
Source of plant
Richters, J.L. Hudson, Seedsman
Perennial herb to 80 cm in height, stems tetragonal; upper leaves to 7 cm long and 3 cm wide, deeply incised or 1-2-pinnatifid, the lower leaves smaller, entire or subentire; inflorescence paniculate, spikes dense, elongating to 35 cm; corolla lilac or pale pink.
USDA Hardiness Zone