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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.
Scientific Name: Wisteria spp. Common Name: Wisteria Thorns/Spines? How is this plant unsafe? How do you plant safely? No Seeds are poisonous. Supervise pets and children playing near this plant.
Scientific Name: Euphorbia rigida Common Name: Silver Spurge Thorns/Spines? How is this plant unsafe? How do you plant safely? No Sap is irritating and can be toxic if one gets it on exposed skin such as bare hands or eyes.
Scientific Name: Euphorbia spp. Common Name: Spurge Thorns/Spines? How is this plant unsafe? How do you plant safely? Some species have spines. Sap is irritating and can be toxic if one gets it on exposed skin such as bare hands or eyes. Some species have spines.
Scientific Name: Euphorbia tirucalli Common Name: Fire Sticks, Sticks on Fire, Pencil Cactus, or Milkbush Thorns/Spines? How is this plant unsafe? How do you plant safely?
Scientific Name: Ficus spp. Common Name: Fig Thorns/Spines? How is this plant unsafe? How do you plant safely? No Sap is toxic. Use caution when working with this plant and consider wearing protective clothing such as long sleeves, long pants, gloves, sturdy shoes and eye protection.
Scientific Name: Grevillea spp. Common Name: Grevillea, Spider Flower Thorns/Spines? How is this plant unsafe? How do you plant safely? No It produces hydrocyanic acid in the flowers and leaves which can cause dermatitis.
Scientific Name: Hedera spp. Common Name: English Ivy, Ivy Thorns/Spines? How is this plant unsafe? How do you plant safely? No All parts are poisonous. Supervise pets and children playing near this plant.
Scientific Name: Heteromeles arbutifolia Common Name: Toyon Thorns/Spines? How is this plant unsafe? How do you plant safely? No Unripe berries are poisonous because they contain cyanogenic glycosides which can convert to poisonous cyanide if eaten.
