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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.
Scientific Name: Ipomoea spp. Common Name: Morning Glory 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: Jacaranda mimosifolia Common Name: Jacaranda Thorns/Spines? How is this plant unsafe? How do you plant safely? No All parts of the tree are toxic if ingested. Supervise pets and children playing near this plant.
Scientific Name: Juniperus spp. Common Name: Juniper Thorns/Spines? How is this plant unsafe? How do you plant safely? No All Juniper berries can cause diarrhea, upset stomach and kidney problems. The berries contain thujone in varying amounts from high to low.
Scientific Name: Kalanchoe spp. Common Name: Felt Plant, Mother of Thousands Thorns/Spines? How is this plant unsafe? How do you plant safely? No If dogs or cats ingest this plant, it can cause vomiting and diarrhea. Supervise pets and children playing near this plant.
Scientific Name: Kniphofia spp. Common Name: Red Hot Poker Thorns/Spines? How is this plant unsafe? How do you plant safely? No Toxic if ingested and irritating to the eyes and skin.
Scientific Name: Lantana camara Common Name: Lantana Thorns/Spines? How is this plant unsafe? How do you plant safely? No The hairs on the leaves can cause contact dermatitis and minor skin irritation.
Scientific Name: Ligustrum spp. Common Name: Privet Thorns/Spines? How is this plant unsafe? How do you plant safely? No Berries and leaves are poisonous if ingested. Supervise pets and children playing near this plant.
