Are Rosemary and Sage in the same botanical family?

Yes — both belong to Lamiaceae.

Can you substitute Rosemary for Sage?

They are close relatives in the genus Salvia, often substitutable with flavor adjustments.

Compare · per-herb profile

Rosemary vs Sage

Salvia rosmarinus · Salvia officinalis

Rosemary

Salvia rosmarinus

D No Clinical Evidence

Family: Lamiaceae
Genus: Salvia
Primary use: culinary

Salvia rosmarinus, synonym Rosmarinus officinalis, commonly known as rosemary, is a shrub with fragrant, evergreen, needle-like leaves and purple or sometimes white, pink, or blue flowers. It is a member of the mint family, Lamiaceae.

Sage

Salvia officinalis

D No Clinical Evidence

Family: Lamiaceae
Genus: Salvia
Primary use: culinary

Salvia officinalis, common sage or sage, is a perennial, evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is a member of the mint family (Lamiaceae) and native to the Mediterranean region, though it has been naturalized in many places through…

At a glance

· Same genus (Salvia) — close relatives, often substitutable.
· Both are primarily culinary.
· Evidence tiers — Rosemary: D; Sage: D.