Are Eucalyptus and Lavender English in the same botanical family?

No — Eucalyptus is Myrtaceae and Lavender English is Lamiaceae.

Can you substitute Eucalyptus for Lavender English?

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

Compare · per-herb profile

Eucalyptus vs Lavender English

Eucalyptus globulus · Lavandula angustifolia

Eucalyptus

Eucalyptus globulus

C Limited Evidence

Family: Myrtaceae
Genus: Eucalyptus
Primary use: aromatic

Eucalyptus globulus, commonly known as southern blue gum or blue gum, is a species of flowering plant in the family Myrtaceae. It is a tall, evergreen tree endemic to southeastern Australia. This Eucalyptus species has mostly smooth bark, juvenile leaves that are whitish and waxy…

Lavender English

Lavandula angustifolia

C Limited Evidence

Family: Lamiaceae
Genus: Lavandula
Primary use: aromatic

Lavandula angustifolia, formerly L. officinalis, is a flowering plant in the family Lamiaceae, native to the Mediterranean basin. Its common names include lavender, true lavender and English lavender ; also garden lavender, common lavender and narrow-leaved lavender.

At a glance

· Different families — Myrtaceae vs Lamiaceae.
· Both are primarily aromatic.
· Evidence tiers — Eucalyptus: C; Lavender English: C.