PlantLegitIs Shrubby St. John's-wort toxic to dogs, cats or kids?
Yes, it can be toxic.
- DogsNo ASPCA listing found
- CatsNo ASPCA listing found
- People & kidsMedium poison severity (NC State Extension)
Sources (5)
- Plants toxic and non-toxic to dogs – ASPCA Animal Poison Control
- Plants toxic and non-toxic to cats – ASPCA Animal Poison Control
- Hypericum prolificum plant profile, poison fields – NC State Extension Gardener Plant Toolbox
- Poison Help line 1-800-222-1222 – U.S. Health Resources & Services Administration (HRSA)
- Animal Poison Control Center (888) 426-4435 – ASPCA
Think someone ate part of a plant?
- Person or child: call Poison Help 1-800-222-1222 (free, confidential, 24/7; HRSA Poison Help).
- Dog, cat or other pet: call the ASPCA Animal Poison Control Center (888) 426-4435 (24/7; a consultation fee may apply; ASPCA) or your veterinarian.
- Trouble breathing, seizures or collapse: call 911.
Details
We found no ASPCA entry for Hypericum prolificum. That does not mean it is safe for pets.
Reported symptoms in people (NC State Extension): Skin contact with the sap, or ingestion of the plant, can cause photosensitivity in some people. Common side-effects are gastointestinal disturbances, allergic reactions and fatigue.
Poisonous parts: Leaves Sap/Juice.
Toxic compound: Unidentified, possibly a glycoside.
Can cause skin irritation (contact dermatitis) on touch.
This page summarizes published lists. It is not medical or veterinary advice. Keep plants away from young children and pets, and call the numbers above with any concern. Checked 2026-10-14.