Ongoing research

Scientific Name: Schinus molle Common Name: Pepper Tree, Peruvian Pepper Tree Thorns/Spines? How is this plant unsafe? How do you plant safely? No Leaves can cause dermatitis.

Scientific Name: Schinus terebinthifolius Common Name: Brazilian Pepper Tree Thorns/Spines? How is this plant unsafe? How do you plant safely? No Fruits can cause upset stomach if ingested. This plant can be invasive in California's wildlands. For more information on this plant, visit https://wric.

Scientific Name: Sedum spp. Common Name: Stonecrop, Pork & Beans Thorns/Spines? How is this plant unsafe? How do you plant safely? No Leaves are toxic if ingested and sap may be irritating to the skin.

Scientific Name: Senecio spp. Common Name: Dusty Miller, String of Pearls Thorns/Spines? How is this plant unsafe? How do you plant safely? No Sap may cause dermatitis.

Scientific Name: Solanum jasminoides Common Name: Potato Vine Thorns/Spines? How is this plant unsafe? How do you plant safely? Yes Berries are poisonous if ingested, because they contain solanine. Supervise pets and children playing near this plant.

Scientific Name: Solanum spp. Common Name: Nightshade Thorns/Spines? How is this plant unsafe? How do you plant safely? Yes Many species are poisonous because they contain a poison called solanine and different species contain varying amounts. Some species have spines.

Scientific Name: Strelitzia reginae Common Name: Bird of Paradise Thorns/Spines? How is this plant unsafe? How do you plant safely? No If ingested by cats or dogs, can cause vomiting and diarrhea. Supervise pets and children playing near this plant.

Scientific Name: Tagetes spp. Common Name: Marigold Thorns/Spines? How is this plant unsafe? How do you plant safely? No If leaves ingested can cause upset stomach, sap may cause mild irritation. Supervise pets and children playing near this plant.

Scientific Name: Thuja spp. Common Name: Arborvitae Thorns/Spines? How is this plant unsafe? How do you plant safely? No Plants can be toxic if ingested because they contain thujone oil. Supervise pets and children playing near this plant.

Scientific Name: Viola spp. Common Name: Violet Thorns/Spines? How is this plant unsafe? How do you plant safely? No Some seeds of some species are poisonous. Supervise pets and children playing near this plant.