Sage

Sage is Salvia officinalis, and its name is the whole argument for its reputation. The Latin salvia derives from salvere, to be well or to be saved; officinalis marks it as a plant of the apothecary's store room. The name is a claim about the plant, embedded in the botany.

The proverb usually quoted, why should a man die who has sage in his garden?, is genuinely old, appearing in the medieval Latin of the Salerno school as cur moriatur homo cui salvia crescit in horto, and the school's verse health regimen was one of the most widely copied medical texts in medieval Europe. The proverb is real; the claim in it is not.

Culpeper assigns sage to Jupiter, and the reasoning is legible: Jupiter in his scheme is the expansive, preserving, benefic planet, and a herb whose reputation is longevity and general well-being falls there almost by definition. Sagittarius follows by rulership, as a later derivation rather than as Culpeper's own step.

The pharmacology is modest but not nothing. Sage contains thujone, as its Artemisia relatives do, along with camphor, cineole and rosmarinic acid, and it has demonstrable antimicrobial and astringent properties consistent with the traditional gargle for sore throat. There has been some investigation of Salvia officinalis and Salvia lavandulaefolia extracts and cognitive measures, with small and not firmly established results. High-dose or prolonged use of thujone-rich preparations is not benign.

Sage darkens and coarsens with age in the garden and is generally replaced every few years, which is a small irony for a longevity herb.

The word sage covers a genus of roughly a thousand species and at least three separate traditions that are routinely run together.

Salvia officinalis, garden sage, is the Mediterranean culinary and medicinal herb described above, and the plant Culpeper meant.

White sage is Salvia apiana, a distinct species of southern California and northwestern Mexico. Its use in bundled form as a purifying smoke belongs to specific Indigenous Californian and Southwestern practices and is not a European tradition, not a Culpeper tradition, and not interchangeable with garden sage. The popular association of smoke cleansing with the word smudging, itself a term of contested application, reached the general market through the twentieth-century New Age trade, and the resulting commercial demand has produced documented problems of overharvesting on public and private land in California and of objection from several Native nations to the sale of the practice. Describing Salvia apiana as though it were an ancient European herb, or as though its ceremonial use were freely available, gets both the botany and the provenance wrong.

Clary sage is Salvia sclarea, grown for an essential oil used in perfumery, and Salvia divinorum is a Mexican species containing salvinorin A, a potent and pharmacologically unusual hallucinogen with a documented Mazatec ritual use, related to the others only by genus.

The word sage in a correspondence table nearly always means officinalis. It is worth checking, because the table rarely says.

Sources The Appropriation of Native American SpiritualitySuzanne Owen with Plants of the World OnlineRoyal Botanic Gardens, Kew