Clary Sage
Salvia sclarea
The clear eye that opens what it closes.
Overview
Clary sage stands taller than common sage, with broader leaves and a scent that is simultaneously sweet, musky, and faintly narcotic — a combination that unsettles those who encounter it unexpectedly in a summer herb garden. The name derives from the Latin *clarus*, clear, referring to the use of the mucilaginous seeds to remove dust and foreign matter from the eye. Whether it clears the eye or simply alters what it sees has been a matter of debate for several centuries.
Botanical Notes
A biennial or short-lived perennial, 60–120cm, with large, wrinkled, soft-hairy leaves and tall branching flower spikes bearing pale lilac or white flowers in whorls beneath prominent papery lilac bracts in summer. Native to the Mediterranean and central Asia; widely cultivated and naturalised. Strongly aromatic; the foliage especially pungent when touched. Prefers full sun and dry, well-drained soils. A significant commercial crop for the perfume industry — clary sage absolute is a base note in many fine fragrances.
Lore & History
Renaissance herbalists described clary sage wine — a preparation steeped in German white wine — as inducing "great hilarity and subsequent heaviness of head," which was taken variously as a warning and a recommendation. Gerard noted that the seeds, placed in the eye, would "cleanse and purge them exceedingly from waterish humours, rednesse, inflammation, and divers other maladies." In the folk tradition of second sight and prophetic dreaming, mugwort was the most celebrated herb, but clary sage ran close — its association with enhanced vision slid easily from the literal to the symbolic. The essential oil was used in perfumery and was reportedly mixed into cheap Rhine wines to simulate the flavour of Muscat: hence the old German name *Muskateller-Salbei*.
Warnings
The fresh plant and essential oil contain sclareol, which has mild estrogenic activity; avoid in pregnancy and when using hormone-sensitive medications. Large quantities of clary sage wine or concentrated preparations may cause headache and disorientation — historical accounts are consistent on this. The essential oil should not be used internally. Standard culinary use of the fresh or dried herb presents no significant risk, though it is rarely used in modern kitchens.