Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

Aloysia triphylla
Lemon Verbena is a fragrant, woody shrub often grown for its citrus-scented foliage used in culinary and herbal applications. While popular in gardens, it contains essential oils that can cause adverse reactions if ingested by pets.
Safety status
Cats
Potentially toxicConsulted references classify the plant as toxic or irritating for that pet type.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Cats should not nibble on lemon verbena. The ASPCA classifies it as toxic to cats because of its essential oils, which can irritate a cat's stomach and cause colic. Cats metabolize plant essential oils less efficiently than dogs, so even a small bite warrants attention.
Most likely signs: stomach upset (vomiting, drooling, lack of appetite) and colicky discomfort (restlessness, hunching, hiding). Reactions are usually mild, but a cat that keeps vomiting can dehydrate quickly.
Exact onset and duration aren't well documented for lemon verbena in cats; essential-oil GI upset typically begins within a few hours of ingestion and resolves once the source is removed.
Call your vet if vomiting or diarrhea continues past 12 hours, your cat refuses food at the next meal, or you see lethargy or signs of dehydration. Sooner if a kitten, senior cat, or any cat with a known illness is involved.
Sources: ASPCA (no first-aid guidance).
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
Gastrointestinal upset, including vomiting, diarrhea, and potential skin irritation upon contact.
Escalation note
Ingestion may cause discomfort; please contact your veterinarian if your cat shows signs of distress or persistent vomiting.
Safer alternatives
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