Are Calendula and Rhododendron Simsii in the same botanical family?

No — Calendula is Asteraceae and Rhododendron Simsii is Ericaceae.

Can you substitute Calendula for Rhododendron Simsii?

They come from different families (Asteraceae and Ericaceae), so direct substitution is uncommon.

Compare · per-herb profile

Calendula vs Rhododendron Simsii

Calendula officinalis · Rhododendron simsii

Calendula

Calendula officinalis

T Traditional Use

Family: Asteraceae
Genus: Calendula
Primary use: medicinal

Calendula officinalis, Mary's gold, common marigold, the pot marigold, Scotch marigold, or ruddles, is a flowering plant in the daisy family, Asteraceae. It is probably native to southern Europe, but its long history of cultivation makes its precise origin unknown, and it is wide…

Rhododendron Simsii

Rhododendron simsii

T Traditional Use

Family: Ericaceae
Genus: Rhododendron
Primary use: medicinal

Rhododendron simsii (杜鵑) is a rhododendron species native to East Asia, where it grows at altitudes of 500–2,700 m (1,600–8,900 ft).

At a glance

· Different families — Asteraceae vs Ericaceae.
· Both are primarily medicinal.
· Evidence tiers — Calendula: T; Rhododendron Simsii: T.