The ASPCA lists lavender, Lavandula angustifolia, as toxic to dogs and cats. It names linalool and linalyl acetate as the toxic principles and lists nausea, vomiting and loss of appetite as clinical signs. The ASPCA also says plants listed as potentially toxic with mild stomach upset are not expected to be life-threatening.
What the ASPCA lists
| Item | ASPCA entry |
|---|---|
| Plant | Lavender (Lavandula angustifolia) |
| Dogs and cats | Toxic |
| Toxic principles | Linalool, linalyl acetate |
| Signs | Nausea, vomiting, loss of appetite |
What to do
Note the botanical name and how much was eaten, and contact a veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435. The ASPCA also says consumption of any plant material may cause vomiting and gastrointestinal upset in dogs and cats.
What the entry does not cover
The ASPCA entry gives no quantities, no timing for signs, and does not assess dried lavender, sachets or essential oils. The lavender care guide is Can You Grow Lavender Indoors?, and other toxic scented plants are in Fragrant Houseplants That Are Toxic to Cats and Dogs.
Frequently asked questions
Is lavender toxic to cats?
The ASPCA lists lavender as toxic to cats and dogs.
What are the signs?
Nausea, vomiting and loss of appetite, according to the ASPCA.
Who should I call?
A veterinarian, or the ASPCA Animal Poison Control Center at (888) 426-4435.
Sources read for this page
Last reviewed 15 October 2026. Written by Md. Firozur Rahman. This page gives general guidance and cannot diagnose a plant from a description; see the Disclaimer.
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