Dogs
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.
Sources

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
Dogs
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.
Sources
Dogs should not eat lemon verbena. The ASPCA lists it as toxic to dogs because of its essential oils, which can upset the stomach and cause colic. A curious nibble of leaves in the herb garden is unlikely to be serious, but a larger mouthful will leave a dog uncomfortable.
Watch for stomach upset (vomiting, soft stool, drooling), abdominal discomfort or restlessness, and reduced appetite. Some dogs may also develop mild skin irritation where crushed leaves brushed bare skin.
Onset and duration aren't documented in detail for lemon verbena in dogs; essential-oil GI signs typically begin within a few hours of ingestion and resolve within roughly a day.
Call your vet if vomiting or diarrhea continues for more than a few hours, your dog seems painful in the belly or unusually flat, or appetite doesn't return by the next meal.
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.
Dogs — concern notes
Common signs
Vomiting, diarrhea, and potential dermatitis or skin irritation from contact with the plant's essential oils.
Escalation note
While generally considered mild, ingestion should be monitored and a veterinarian consulted if symptoms persist or worsen.
Safer alternatives
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ASPCA Toxic Plant List
toxicology · 99% reliability
Lemon Verbena is listed as toxic to both cats and dogs due to its essential oils.
NC State Extension Plant Toolbox
botanical · 94% reliability
Aloysia triphylla is a deciduous shrub known for its fragrant leaves and white flowers.
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