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Scientific Name: Nerium oleander Common Name: Oleander Thorns/Spines? How is this plant unsafe? How do you plant safely? No All parts are poisonous if ingested. Discard prunings and dead leaves, and keep away from animal feed. Supervise pets and children playing near this plant.
Scientific Name: Opuntia spp. Common Name: Cactus, Prickly Pear, Cholla, Indian Fig Thorns/Spines? How is this plant unsafe? How do you plant safely? Yes Problematic because of their obvious spines.
Scientific Name: Papaver nudicaule Common Name: Iceland Poppy Thorns/Spines? How is this plant unsafe? How do you plant safely? No Poisonous if ingested. Supervise pets and children playing near this plant.
Scientific Name: Physalis spp. Common Name: Chinese Lantern Thorns/Spines? How is this plant unsafe? How do you plant safely? No Leaves and unripe berries are poisonous if ingested. Supervise pets and children playing near this plant.
Scientific Name: Pittosporum spp. Common Name: Pittosporum, Mock Orange Thorns/Spines? How is this plant unsafe? How do you plant safely? No Entire plant is toxic if ingested. Supervise pets and children playing near this plant.
Scientific Name: Plumbago auriculata Common Name: Cape Plumbago Thorns/Spines? How is this plant unsafe? How do you plant safely? No Ingesting any part of the plant can cause upset stomach. Contact with the plant can cause contact dermatitis and eye irritation.
Scientific Name: Plumeria spp. Common Name: Plumeria Thorns/Spines? How is this plant unsafe? How do you plant safely? No All parts are considered toxic and the sap can cause a rash in sensitive people. Supervise pets and children playing near this plant.
Scientific Name: Pteridium aquilinum Common Name: Bracken Fern Thorns/Spines? How is this plant unsafe? How do you plant safely? No Fronds are poisonous if ingested. Supervise pets and children playing near this plant.
Scientific Name: Pyracantha spp. Common Name: Firethorn, Pyracantha Thorns/Spines? How is this plant unsafe? How do you plant safely? Yes Plant has obvious thorns. Note how large the plant grows and plant it a safe distance away from sidewalks and paths.
Scientific Name: Ricinus communis Common Name: Castor Bean, Red Castor Oil Plant; Varieties include 'Carmencita', 'Red Giant', and 'Impala' Thorns/Spines? How is this plant unsafe? How do you plant safely? No Seeds are poisonous if ingested. Leaves contain toxins as well.
