Are Horehound and Mullein in the same botanical family?

No — Horehound is Lamiaceae and Mullein is Scrophulariaceae.

Can you substitute Horehound for Mullein?

They come from different families (Lamiaceae and Scrophulariaceae), so direct substitution is uncommon.

Compare · per-herb profile

Horehound vs Mullein

Marrubium vulgare · Verbascum thapsus

Horehound

Marrubium vulgare

T Traditional Use

Family: Lamiaceae
Genus: Marrubium
Primary use: medicinal

Marrubium vulgare is a flowering plant in the mint family (Lamiaceae), native to Europe, northern Africa, and southwestern and central Asia. Specifically, it emerged in the region between the Mediterranean Sea and Central Asia and now inhabits all continents. It is also widely na…

Mullein

Verbascum thapsus

T Traditional Use

Family: Scrophulariaceae
Genus: Verbascum
Primary use: medicinal

Verbascum thapsus, the great mullein, greater mullein or common mullein, is a species of mullein native to Europe, northern Africa, and Asia, and introduced in the Americas, Australia and New Zealand.

At a glance

· Different families — Lamiaceae vs Scrophulariaceae.
· Both are primarily medicinal.
· Evidence tiers — Horehound: T; Mullein: T.